Home / 3,129,171.72-4,693,711.08-854,692.32

Finding the Fourth Proportional to 3,129,171.72, 4,693,711.08 and 854,692.32

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Solution

The fourth proportional to 3,129,171.72, 4,693,711.08 and 854,692.32 is: 1,282,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,171.72 : 4,693,711.08 = 854,692.32 : x
  2. Step 2: Convert to fraction form
    3,129,171.72/4,693,711.08 = 854,692.32/x
  3. Step 3: Cross multiply
    3,129,171.72x = 4,693,711.08 × 854,692.32
  4. Step 4: Simplify right side
    3,129,171.72x = 4,011,678,812,374.91
  5. Step 5: Solve for x
    x = 4,011,678,812,374.91/3,129,171.72
  6. Step 6: Final answer
    x = 1,282,025.78

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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.