Home / 3,179,487.98-4,387,650.98-1,729,152.20

Finding the Fourth Proportional to 3,179,487.98, 4,387,650.98 and 1,729,152.20

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Solution

The fourth proportional to 3,179,487.98, 4,387,650.98 and 1,729,152.20 is: 2,386,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,487.98 : 4,387,650.98 = 1,729,152.20 : x
  2. Step 2: Convert to fraction form
    3,179,487.98/4,387,650.98 = 1,729,152.20/x
  3. Step 3: Cross multiply
    3,179,487.98x = 4,387,650.98 × 1,729,152.20
  4. Step 4: Simplify right side
    3,179,487.98x = 7,586,916,344,899.16
  5. Step 5: Solve for x
    x = 7,586,916,344,899.16/3,179,487.98
  6. Step 6: Final answer
    x = 2,386,206.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.