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Finding the Fourth Proportional to 5,904,187.80, 8,856,281.70 and 4,103,266.20

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Solution

The fourth proportional to 5,904,187.80, 8,856,281.70 and 4,103,266.20 is: 6,154,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904,187.80 : 8,856,281.70 = 4,103,266.20 : x
  2. Step 2: Convert to fraction form
    5,904,187.80/8,856,281.70 = 4,103,266.20/x
  3. Step 3: Cross multiply
    5,904,187.80x = 8,856,281.70 × 4,103,266.20
  4. Step 4: Simplify right side
    5,904,187.80x = 36,339,681,357,288.54
  5. Step 5: Solve for x
    x = 36,339,681,357,288.54/5,904,187.80
  6. Step 6: Final answer
    x = 6,154,899.30

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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.