Home / 2,421,318.60-3,630,665.70-999,768.60

Finding the Fourth Proportional to 2,421,318.60, 3,630,665.70 and 999,768.60

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Solution

The fourth proportional to 2,421,318.60, 3,630,665.70 and 999,768.60 is: 1,499,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,318.60 : 3,630,665.70 = 999,768.60 : x
  2. Step 2: Convert to fraction form
    2,421,318.60/3,630,665.70 = 999,768.60/x
  3. Step 3: Cross multiply
    2,421,318.60x = 3,630,665.70 × 999,768.60
  4. Step 4: Simplify right side
    2,421,318.60x = 3,629,825,563,957.02
  5. Step 5: Solve for x
    x = 3,629,825,563,957.02/2,421,318.60
  6. Step 6: Final answer
    x = 1,499,111.09

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.