Home / 5,268,178.88-7,270,121.76-2,853,730.88

Finding the Fourth Proportional to 5,268,178.88, 7,270,121.76 and 2,853,730.88

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Solution

The fourth proportional to 5,268,178.88, 7,270,121.76 and 2,853,730.88 is: 3,938,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268,178.88 : 7,270,121.76 = 2,853,730.88 : x
  2. Step 2: Convert to fraction form
    5,268,178.88/7,270,121.76 = 2,853,730.88/x
  3. Step 3: Cross multiply
    5,268,178.88x = 7,270,121.76 × 2,853,730.88
  4. Step 4: Simplify right side
    5,268,178.88x = 20,746,970,967,871.95
  5. Step 5: Solve for x
    x = 20,746,970,967,871.95/5,268,178.88
  6. Step 6: Final answer
    x = 3,938,167.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.