Home / 3,438,218.88-5,158,359.63-1,387,824.39

Finding the Fourth Proportional to 3,438,218.88, 5,158,359.63 and 1,387,824.39

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Solution

The fourth proportional to 3,438,218.88, 5,158,359.63 and 1,387,824.39 is: 2,082,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,218.88 : 5,158,359.63 = 1,387,824.39 : x
  2. Step 2: Convert to fraction form
    3,438,218.88/5,158,359.63 = 1,387,824.39/x
  3. Step 3: Cross multiply
    3,438,218.88x = 5,158,359.63 × 1,387,824.39
  4. Step 4: Simplify right side
    3,438,218.88x = 7,158,897,306,905.38
  5. Step 5: Solve for x
    x = 7,158,897,306,905.38/3,438,218.88
  6. Step 6: Final answer
    x = 2,082,152.87

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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.