Home / 1,981,442.77-2,971,227.39-767,587.97

Finding the Fourth Proportional to 1,981,442.77, 2,971,227.39 and 767,587.97

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Solution

The fourth proportional to 1,981,442.77, 2,971,227.39 and 767,587.97 is: 1,151,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,442.77 : 2,971,227.39 = 767,587.97 : x
  2. Step 2: Convert to fraction form
    1,981,442.77/2,971,227.39 = 767,587.97/x
  3. Step 3: Cross multiply
    1,981,442.77x = 2,971,227.39 × 767,587.97
  4. Step 4: Simplify right side
    1,981,442.77x = 2,280,678,405,248.11
  5. Step 5: Solve for x
    x = 2,280,678,405,248.11/1,981,442.77
  6. Step 6: Final answer
    x = 1,151,019.07

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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.