Home / 4,677,310.80-7,010,717.40-1,981,177.20

Finding the Fourth Proportional to 4,677,310.80, 7,010,717.40 and 1,981,177.20

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Solution

The fourth proportional to 4,677,310.80, 7,010,717.40 and 1,981,177.20 is: 2,969,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677,310.80 : 7,010,717.40 = 1,981,177.20 : x
  2. Step 2: Convert to fraction form
    4,677,310.80/7,010,717.40 = 1,981,177.20/x
  3. Step 3: Cross multiply
    4,677,310.80x = 7,010,717.40 × 1,981,177.20
  4. Step 4: Simplify right side
    4,677,310.80x = 13,889,473,468,523.28
  5. Step 5: Solve for x
    x = 13,889,473,468,523.28/4,677,310.80
  6. Step 6: Final answer
    x = 2,969,542.56

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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.