Home / 3,490,129.20-5,231,305.80-1,359,505.20

Finding the Fourth Proportional to 3,490,129.20, 5,231,305.80 and 1,359,505.20

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Solution

The fourth proportional to 3,490,129.20, 5,231,305.80 and 1,359,505.20 is: 2,037,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490,129.20 : 5,231,305.80 = 1,359,505.20 : x
  2. Step 2: Convert to fraction form
    3,490,129.20/5,231,305.80 = 1,359,505.20/x
  3. Step 3: Cross multiply
    3,490,129.20x = 5,231,305.80 × 1,359,505.20
  4. Step 4: Simplify right side
    3,490,129.20x = 7,111,987,437,890.16
  5. Step 5: Solve for x
    x = 7,111,987,437,890.16/3,490,129.20
  6. Step 6: Final answer
    x = 2,037,743.31

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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.