Home / 6,288,760.38-8,678,406.26-3,497,864.78

Finding the Fourth Proportional to 6,288,760.38, 8,678,406.26 and 3,497,864.78

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Solution

The fourth proportional to 6,288,760.38, 8,678,406.26 and 3,497,864.78 is: 4,827,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,760.38 : 8,678,406.26 = 3,497,864.78 : x
  2. Step 2: Convert to fraction form
    6,288,760.38/8,678,406.26 = 3,497,864.78/x
  3. Step 3: Cross multiply
    6,288,760.38x = 8,678,406.26 × 3,497,864.78
  4. Step 4: Simplify right side
    6,288,760.38x = 30,355,891,603,385.52
  5. Step 5: Solve for x
    x = 30,355,891,603,385.52/6,288,760.38
  6. Step 6: Final answer
    x = 4,827,007.20

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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.