Home / 2,715,772.68-4,068,278.88-1,860,743.16

Finding the Fourth Proportional to 2,715,772.68, 4,068,278.88 and 1,860,743.16

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Solution

The fourth proportional to 2,715,772.68, 4,068,278.88 and 1,860,743.16 is: 2,787,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,772.68 : 4,068,278.88 = 1,860,743.16 : x
  2. Step 2: Convert to fraction form
    2,715,772.68/4,068,278.88 = 1,860,743.16/x
  3. Step 3: Cross multiply
    2,715,772.68x = 4,068,278.88 × 1,860,743.16
  4. Step 4: Simplify right side
    2,715,772.68x = 7,570,022,098,932.46
  5. Step 5: Solve for x
    x = 7,570,022,098,932.46/2,715,772.68
  6. Step 6: Final answer
    x = 2,787,428.47

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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.