Home / 4,428,606.80-6,642,910.20-2,189,118.80

Finding the Fourth Proportional to 4,428,606.80, 6,642,910.20 and 2,189,118.80

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Solution

The fourth proportional to 4,428,606.80, 6,642,910.20 and 2,189,118.80 is: 3,283,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,606.80 : 6,642,910.20 = 2,189,118.80 : x
  2. Step 2: Convert to fraction form
    4,428,606.80/6,642,910.20 = 2,189,118.80/x
  3. Step 3: Cross multiply
    4,428,606.80x = 6,642,910.20 × 2,189,118.80
  4. Step 4: Simplify right side
    4,428,606.80x = 14,542,119,605,531.76
  5. Step 5: Solve for x
    x = 14,542,119,605,531.76/4,428,606.80
  6. Step 6: Final answer
    x = 3,283,678.20

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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.