Home / 4,981,519.80-7,472,279.70-1,387,841.40

Finding the Fourth Proportional to 4,981,519.80, 7,472,279.70 and 1,387,841.40

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Solution

The fourth proportional to 4,981,519.80, 7,472,279.70 and 1,387,841.40 is: 2,081,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,519.80 : 7,472,279.70 = 1,387,841.40 : x
  2. Step 2: Convert to fraction form
    4,981,519.80/7,472,279.70 = 1,387,841.40/x
  3. Step 3: Cross multiply
    4,981,519.80x = 7,472,279.70 × 1,387,841.40
  4. Step 4: Simplify right side
    4,981,519.80x = 10,370,339,120,039.58
  5. Step 5: Solve for x
    x = 10,370,339,120,039.58/4,981,519.80
  6. Step 6: Final answer
    x = 2,081,762.10

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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.