Home / 4,428,472.30-6,642,708.45-2,188,984.30

Finding the Fourth Proportional to 4,428,472.30, 6,642,708.45 and 2,188,984.30

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Solution

The fourth proportional to 4,428,472.30, 6,642,708.45 and 2,188,984.30 is: 3,283,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,472.30 : 6,642,708.45 = 2,188,984.30 : x
  2. Step 2: Convert to fraction form
    4,428,472.30/6,642,708.45 = 2,188,984.30/x
  3. Step 3: Cross multiply
    4,428,472.30x = 6,642,708.45 × 2,188,984.30
  4. Step 4: Simplify right side
    4,428,472.30x = 14,540,784,506,527.33
  5. Step 5: Solve for x
    x = 14,540,784,506,527.33/4,428,472.30
  6. Step 6: Final answer
    x = 3,283,476.45

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Double scale
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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.