Home / 3,129,575.40-4,694,363.10-1,927,600.20

Finding the Fourth Proportional to 3,129,575.40, 4,694,363.10 and 1,927,600.20

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Solution

The fourth proportional to 3,129,575.40, 4,694,363.10 and 1,927,600.20 is: 2,891,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,575.40 : 4,694,363.10 = 1,927,600.20 : x
  2. Step 2: Convert to fraction form
    3,129,575.40/4,694,363.10 = 1,927,600.20/x
  3. Step 3: Cross multiply
    3,129,575.40x = 4,694,363.10 × 1,927,600.20
  4. Step 4: Simplify right side
    3,129,575.40x = 9,048,855,250,432.62
  5. Step 5: Solve for x
    x = 9,048,855,250,432.62/3,129,575.40
  6. Step 6: Final answer
    x = 2,891,400.30

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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.