Home / 2,630,442.75-3,630,011.00-1,423,218.75

Finding the Fourth Proportional to 2,630,442.75, 3,630,011.00 and 1,423,218.75

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Solution

The fourth proportional to 2,630,442.75, 3,630,011.00 and 1,423,218.75 is: 1,964,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,442.75 : 3,630,011.00 = 1,423,218.75 : x
  2. Step 2: Convert to fraction form
    2,630,442.75/3,630,011.00 = 1,423,218.75/x
  3. Step 3: Cross multiply
    2,630,442.75x = 3,630,011.00 × 1,423,218.75
  4. Step 4: Simplify right side
    2,630,442.75x = 5,166,299,710,790.16
  5. Step 5: Solve for x
    x = 5,166,299,710,790.16/2,630,442.75
  6. Step 6: Final answer
    x = 1,964,041.88

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Double scale
Find fourth proportional to 2,630,443.75, 3,630,012.38 and 1,423,219.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.