Home / 6,439,614.20-9,659,421.30-4,172,132.60

Finding the Fourth Proportional to 6,439,614.20, 9,659,421.30 and 4,172,132.60

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Solution

The fourth proportional to 6,439,614.20, 9,659,421.30 and 4,172,132.60 is: 6,258,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,614.20 : 9,659,421.30 = 4,172,132.60 : x
  2. Step 2: Convert to fraction form
    6,439,614.20/9,659,421.30 = 4,172,132.60/x
  3. Step 3: Cross multiply
    6,439,614.20x = 9,659,421.30 × 4,172,132.60
  4. Step 4: Simplify right side
    6,439,614.20x = 40,300,386,502,864.38
  5. Step 5: Solve for x
    x = 40,300,386,502,864.38/6,439,614.20
  6. Step 6: Final answer
    x = 6,258,198.90

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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.