Home / 5,161,999.52-7,123,188.90-2,839,053.14

Finding the Fourth Proportional to 5,161,999.52, 7,123,188.90 and 2,839,053.14

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Solution

The fourth proportional to 5,161,999.52, 7,123,188.90 and 2,839,053.14 is: 3,917,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,999.52 : 7,123,188.90 = 2,839,053.14 : x
  2. Step 2: Convert to fraction form
    5,161,999.52/7,123,188.90 = 2,839,053.14/x
  3. Step 3: Cross multiply
    5,161,999.52x = 7,123,188.90 × 2,839,053.14
  4. Step 4: Simplify right side
    5,161,999.52x = 20,223,111,813,358.15
  5. Step 5: Solve for x
    x = 20,223,111,813,358.15/5,161,999.52
  6. Step 6: Final answer
    x = 3,917,689.60

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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.