Home / 5,428,270.40-8,142,405.60-3,299,007.20

Finding the Fourth Proportional to 5,428,270.40, 8,142,405.60 and 3,299,007.20

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Solution

The fourth proportional to 5,428,270.40, 8,142,405.60 and 3,299,007.20 is: 4,948,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,270.40 : 8,142,405.60 = 3,299,007.20 : x
  2. Step 2: Convert to fraction form
    5,428,270.40/8,142,405.60 = 3,299,007.20/x
  3. Step 3: Cross multiply
    5,428,270.40x = 8,142,405.60 × 3,299,007.20
  4. Step 4: Simplify right side
    5,428,270.40x = 26,861,854,699,720.32
  5. Step 5: Solve for x
    x = 26,861,854,699,720.32/5,428,270.40
  6. Step 6: Final answer
    x = 4,948,510.80

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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.