Home / 2,270,280.31-3,131,059.29-1,918,385.11

Finding the Fourth Proportional to 2,270,280.31, 3,131,059.29 and 1,918,385.11

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Solution

The fourth proportional to 2,270,280.31, 3,131,059.29 and 1,918,385.11 is: 2,645,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270,280.31 : 3,131,059.29 = 1,918,385.11 : x
  2. Step 2: Convert to fraction form
    2,270,280.31/3,131,059.29 = 1,918,385.11/x
  3. Step 3: Cross multiply
    2,270,280.31x = 3,131,059.29 × 1,918,385.11
  4. Step 4: Simplify right side
    2,270,280.31x = 6,006,577,520,463.17
  5. Step 5: Solve for x
    x = 6,006,577,520,463.17/2,270,280.31
  6. Step 6: Final answer
    x = 2,645,742.68

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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.