Home / 2,429,539.20-3,641,147.76-988,543.28

Finding the Fourth Proportional to 2,429,539.20, 3,641,147.76 and 988,543.28

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Solution

The fourth proportional to 2,429,539.20, 3,641,147.76 and 988,543.28 is: 1,481,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429,539.20 : 3,641,147.76 = 988,543.28 : x
  2. Step 2: Convert to fraction form
    2,429,539.20/3,641,147.76 = 988,543.28/x
  3. Step 3: Cross multiply
    2,429,539.20x = 3,641,147.76 × 988,543.28
  4. Step 4: Simplify right side
    2,429,539.20x = 3,599,432,149,635.05
  5. Step 5: Solve for x
    x = 3,599,432,149,635.05/2,429,539.20
  6. Step 6: Final answer
    x = 1,481,528.74

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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.