Home / 4,428,809.80-6,643,214.70-2,189,321.80

Finding the Fourth Proportional to 4,428,809.80, 6,643,214.70 and 2,189,321.80

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Solution

The fourth proportional to 4,428,809.80, 6,643,214.70 and 2,189,321.80 is: 3,283,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,809.80 : 6,643,214.70 = 2,189,321.80 : x
  2. Step 2: Convert to fraction form
    4,428,809.80/6,643,214.70 = 2,189,321.80/x
  3. Step 3: Cross multiply
    4,428,809.80x = 6,643,214.70 × 2,189,321.80
  4. Step 4: Simplify right side
    4,428,809.80x = 14,544,134,764,790.46
  5. Step 5: Solve for x
    x = 14,544,134,764,790.46/4,428,809.80
  6. Step 6: Final answer
    x = 3,283,982.70

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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.