Home / 5,128,729.47-7,069,434.92-3,474,373.32

Finding the Fourth Proportional to 5,128,729.47, 7,069,434.92 and 3,474,373.32

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Solution

The fourth proportional to 5,128,729.47, 7,069,434.92 and 3,474,373.32 is: 4,789,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,729.47 : 7,069,434.92 = 3,474,373.32 : x
  2. Step 2: Convert to fraction form
    5,128,729.47/7,069,434.92 = 3,474,373.32/x
  3. Step 3: Cross multiply
    5,128,729.47x = 7,069,434.92 × 3,474,373.32
  4. Step 4: Simplify right side
    5,128,729.47x = 24,561,856,073,524.33
  5. Step 5: Solve for x
    x = 24,561,856,073,524.33/5,128,729.47
  6. Step 6: Final answer
    x = 4,789,072.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.