Home / 3,098,851.20-4,648,276.80-2,142,257.40

Finding the Fourth Proportional to 3,098,851.20, 4,648,276.80 and 2,142,257.40

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Solution

The fourth proportional to 3,098,851.20, 4,648,276.80 and 2,142,257.40 is: 3,213,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098,851.20 : 4,648,276.80 = 2,142,257.40 : x
  2. Step 2: Convert to fraction form
    3,098,851.20/4,648,276.80 = 2,142,257.40/x
  3. Step 3: Cross multiply
    3,098,851.20x = 4,648,276.80 × 2,142,257.40
  4. Step 4: Simplify right side
    3,098,851.20x = 9,957,805,372,048.32
  5. Step 5: Solve for x
    x = 9,957,805,372,048.32/3,098,851.20
  6. Step 6: Final answer
    x = 3,213,386.10

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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.