Home / 5,011,439.72-6,915,837.54-2,719,620.20

Finding the Fourth Proportional to 5,011,439.72, 6,915,837.54 and 2,719,620.20

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Solution

The fourth proportional to 5,011,439.72, 6,915,837.54 and 2,719,620.20 is: 3,753,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011,439.72 : 6,915,837.54 = 2,719,620.20 : x
  2. Step 2: Convert to fraction form
    5,011,439.72/6,915,837.54 = 2,719,620.20/x
  3. Step 3: Cross multiply
    5,011,439.72x = 6,915,837.54 × 2,719,620.20
  4. Step 4: Simplify right side
    5,011,439.72x = 18,808,451,473,702.31
  5. Step 5: Solve for x
    x = 18,808,451,473,702.31/5,011,439.72
  6. Step 6: Final answer
    x = 3,753,103.40

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1.5x scale

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.