Home / 4,428,209.80-6,642,314.70-2,188,721.80

Finding the Fourth Proportional to 4,428,209.80, 6,642,314.70 and 2,188,721.80

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Solution

The fourth proportional to 4,428,209.80, 6,642,314.70 and 2,188,721.80 is: 3,283,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,209.80 : 6,642,314.70 = 2,188,721.80 : x
  2. Step 2: Convert to fraction form
    4,428,209.80/6,642,314.70 = 2,188,721.80/x
  3. Step 3: Cross multiply
    4,428,209.80x = 6,642,314.70 × 2,188,721.80
  4. Step 4: Simplify right side
    4,428,209.80x = 14,538,178,986,350.46
  5. Step 5: Solve for x
    x = 14,538,178,986,350.46/4,428,209.80
  6. Step 6: Final answer
    x = 3,283,082.70

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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.