Home / 5,429,282.47-8,142,115.29-2,189,983.49

Finding the Fourth Proportional to 5,429,282.47, 8,142,115.29 and 2,189,983.49

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Solution

The fourth proportional to 5,429,282.47, 8,142,115.29 and 2,189,983.49 is: 3,284,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,282.47 : 8,142,115.29 = 2,189,983.49 : x
  2. Step 2: Convert to fraction form
    5,429,282.47/8,142,115.29 = 2,189,983.49/x
  3. Step 3: Cross multiply
    5,429,282.47x = 8,142,115.29 × 2,189,983.49
  4. Step 4: Simplify right side
    5,429,282.47x = 17,831,098,058,776.56
  5. Step 5: Solve for x
    x = 17,831,098,058,776.56/5,429,282.47
  6. Step 6: Final answer
    x = 3,284,245.78

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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.