Home / 1,981,195.40-2,971,793.10-485,287.40

Finding the Fourth Proportional to 1,981,195.40, 2,971,793.10 and 485,287.40

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Solution

The fourth proportional to 1,981,195.40, 2,971,793.10 and 485,287.40 is: 727,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,195.40 : 2,971,793.10 = 485,287.40 : x
  2. Step 2: Convert to fraction form
    1,981,195.40/2,971,793.10 = 485,287.40/x
  3. Step 3: Cross multiply
    1,981,195.40x = 2,971,793.10 × 485,287.40
  4. Step 4: Simplify right side
    1,981,195.40x = 1,442,173,746,836.94
  5. Step 5: Solve for x
    x = 1,442,173,746,836.94/1,981,195.40
  6. Step 6: Final answer
    x = 727,931.10

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Similar ratio
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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.