Home / 2,646,043.20-3,969,064.80-1,386,331.20

Finding the Fourth Proportional to 2,646,043.20, 3,969,064.80 and 1,386,331.20

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Solution

The fourth proportional to 2,646,043.20, 3,969,064.80 and 1,386,331.20 is: 2,079,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,043.20 : 3,969,064.80 = 1,386,331.20 : x
  2. Step 2: Convert to fraction form
    2,646,043.20/3,969,064.80 = 1,386,331.20/x
  3. Step 3: Cross multiply
    2,646,043.20x = 3,969,064.80 × 1,386,331.20
  4. Step 4: Simplify right side
    2,646,043.20x = 5,502,438,367,061.76
  5. Step 5: Solve for x
    x = 5,502,438,367,061.76/2,646,043.20
  6. Step 6: Final answer
    x = 2,079,496.80

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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.