Home / 5,426,732.87-8,129,459.54-3,147,468.80

Finding the Fourth Proportional to 5,426,732.87, 8,129,459.54 and 3,147,468.80

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Solution

The fourth proportional to 5,426,732.87, 8,129,459.54 and 3,147,468.80 is: 4,715,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,732.87 : 8,129,459.54 = 3,147,468.80 : x
  2. Step 2: Convert to fraction form
    5,426,732.87/8,129,459.54 = 3,147,468.80/x
  3. Step 3: Cross multiply
    5,426,732.87x = 8,129,459.54 × 3,147,468.80
  4. Step 4: Simplify right side
    5,426,732.87x = 25,587,220,291,204.68
  5. Step 5: Solve for x
    x = 25,587,220,291,204.68/5,426,732.87
  6. Step 6: Final answer
    x = 4,715,032.22

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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.