Home / 3,120,470.55-4,680,705.83-2,766,176.55

Finding the Fourth Proportional to 3,120,470.55, 4,680,705.83 and 2,766,176.55

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Solution

The fourth proportional to 3,120,470.55, 4,680,705.83 and 2,766,176.55 is: 4,149,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,470.55 : 4,680,705.83 = 2,766,176.55 : x
  2. Step 2: Convert to fraction form
    3,120,470.55/4,680,705.83 = 2,766,176.55/x
  3. Step 3: Cross multiply
    3,120,470.55x = 4,680,705.83 × 2,766,176.55
  4. Step 4: Simplify right side
    3,120,470.55x = 12,947,658,690,563.40
  5. Step 5: Solve for x
    x = 12,947,658,690,563.40/3,120,470.55
  6. Step 6: Final answer
    x = 4,149,264.83

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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.