Home / 2,105,126.20-3,153,023.70-1,630,271.80

Finding the Fourth Proportional to 2,105,126.20, 3,153,023.70 and 1,630,271.80

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Solution

The fourth proportional to 2,105,126.20, 3,153,023.70 and 1,630,271.80 is: 2,441,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,126.20 : 3,153,023.70 = 1,630,271.80 : x
  2. Step 2: Convert to fraction form
    2,105,126.20/3,153,023.70 = 1,630,271.80/x
  3. Step 3: Cross multiply
    2,105,126.20x = 3,153,023.70 × 1,630,271.80
  4. Step 4: Simplify right side
    2,105,126.20x = 5,140,285,622,841.66
  5. Step 5: Solve for x
    x = 5,140,285,622,841.66/2,105,126.20
  6. Step 6: Final answer
    x = 2,441,794.52

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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.