Home / 4,428,456.40-6,642,684.60-2,832,821.20

Finding the Fourth Proportional to 4,428,456.40, 6,642,684.60 and 2,832,821.20

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Solution

The fourth proportional to 4,428,456.40, 6,642,684.60 and 2,832,821.20 is: 4,249,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,456.40 : 6,642,684.60 = 2,832,821.20 : x
  2. Step 2: Convert to fraction form
    4,428,456.40/6,642,684.60 = 2,832,821.20/x
  3. Step 3: Cross multiply
    4,428,456.40x = 6,642,684.60 × 2,832,821.20
  4. Step 4: Simplify right side
    4,428,456.40x = 18,817,537,759,793.52
  5. Step 5: Solve for x
    x = 18,817,537,759,793.52/4,428,456.40
  6. Step 6: Final answer
    x = 4,249,231.80

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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.