Home / 3,129,844.32-4,319,240.22-1,753,176.42

Finding the Fourth Proportional to 3,129,844.32, 4,319,240.22 and 1,753,176.42

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Solution

The fourth proportional to 3,129,844.32, 4,319,240.22 and 1,753,176.42 is: 2,419,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,844.32 : 4,319,240.22 = 1,753,176.42 : x
  2. Step 2: Convert to fraction form
    3,129,844.32/4,319,240.22 = 1,753,176.42/x
  3. Step 3: Cross multiply
    3,129,844.32x = 4,319,240.22 × 1,753,176.42
  4. Step 4: Simplify right side
    3,129,844.32x = 7,572,390,106,019.61
  5. Step 5: Solve for x
    x = 7,572,390,106,019.61/3,129,844.32
  6. Step 6: Final answer
    x = 2,419,414.30

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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.