Home / 5,448,002.60-8,172,003.90-4,319,964.20

Finding the Fourth Proportional to 5,448,002.60, 8,172,003.90 and 4,319,964.20

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Solution

The fourth proportional to 5,448,002.60, 8,172,003.90 and 4,319,964.20 is: 6,479,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448,002.60 : 8,172,003.90 = 4,319,964.20 : x
  2. Step 2: Convert to fraction form
    5,448,002.60/8,172,003.90 = 4,319,964.20/x
  3. Step 3: Cross multiply
    5,448,002.60x = 8,172,003.90 × 4,319,964.20
  4. Step 4: Simplify right side
    5,448,002.60x = 35,302,764,290,260.38
  5. Step 5: Solve for x
    x = 35,302,764,290,260.38/5,448,002.60
  6. Step 6: Final answer
    x = 6,479,946.30

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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.