Home / 2,428,001.60-3,642,002.40-830,422.40

Finding the Fourth Proportional to 2,428,001.60, 3,642,002.40 and 830,422.40

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Solution

The fourth proportional to 2,428,001.60, 3,642,002.40 and 830,422.40 is: 1,245,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,001.60 : 3,642,002.40 = 830,422.40 : x
  2. Step 2: Convert to fraction form
    2,428,001.60/3,642,002.40 = 830,422.40/x
  3. Step 3: Cross multiply
    2,428,001.60x = 3,642,002.40 × 830,422.40
  4. Step 4: Simplify right side
    2,428,001.60x = 3,024,400,373,813.76
  5. Step 5: Solve for x
    x = 3,024,400,373,813.76/2,428,001.60
  6. Step 6: Final answer
    x = 1,245,633.60

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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.