Home / 2,055,338.60-3,083,007.90-990,488.30

Finding the Fourth Proportional to 2,055,338.60, 3,083,007.90 and 990,488.30

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Solution

The fourth proportional to 2,055,338.60, 3,083,007.90 and 990,488.30 is: 1,485,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,338.60 : 3,083,007.90 = 990,488.30 : x
  2. Step 2: Convert to fraction form
    2,055,338.60/3,083,007.90 = 990,488.30/x
  3. Step 3: Cross multiply
    2,055,338.60x = 3,083,007.90 × 990,488.30
  4. Step 4: Simplify right side
    2,055,338.60x = 3,053,683,253,757.57
  5. Step 5: Solve for x
    x = 3,053,683,253,757.57/2,055,338.60
  6. Step 6: Final answer
    x = 1,485,732.45

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Double scale
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Similar ratio
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1.5x scale

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.