Home / 3,285,148.20-4,920,851.28-2,641,978.84

Finding the Fourth Proportional to 3,285,148.20, 4,920,851.28 and 2,641,978.84

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Solution

The fourth proportional to 3,285,148.20, 4,920,851.28 and 2,641,978.84 is: 3,957,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285,148.20 : 4,920,851.28 = 2,641,978.84 : x
  2. Step 2: Convert to fraction form
    3,285,148.20/4,920,851.28 = 2,641,978.84/x
  3. Step 3: Cross multiply
    3,285,148.20x = 4,920,851.28 × 2,641,978.84
  4. Step 4: Simplify right side
    3,285,148.20x = 13,000,784,956,546.92
  5. Step 5: Solve for x
    x = 13,000,784,956,546.92/3,285,148.20
  6. Step 6: Final answer
    x = 3,957,442.45

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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.