Home / 1,832,120.20-2,746,868.10-766,613.80

Finding the Fourth Proportional to 1,832,120.20, 2,746,868.10 and 766,613.80

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Solution

The fourth proportional to 1,832,120.20, 2,746,868.10 and 766,613.80 is: 1,149,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,120.20 : 2,746,868.10 = 766,613.80 : x
  2. Step 2: Convert to fraction form
    1,832,120.20/2,746,868.10 = 766,613.80/x
  3. Step 3: Cross multiply
    1,832,120.20x = 2,746,868.10 × 766,613.80
  4. Step 4: Simplify right side
    1,832,120.20x = 2,105,786,992,239.78
  5. Step 5: Solve for x
    x = 2,105,786,992,239.78/1,832,120.20
  6. Step 6: Final answer
    x = 1,149,371.64

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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.