Home / 2,151,972.16-2,969,730.56-1,234,236.80

Finding the Fourth Proportional to 2,151,972.16, 2,969,730.56 and 1,234,236.80

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Solution

The fourth proportional to 2,151,972.16, 2,969,730.56 and 1,234,236.80 is: 1,703,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,972.16 : 2,969,730.56 = 1,234,236.80 : x
  2. Step 2: Convert to fraction form
    2,151,972.16/2,969,730.56 = 1,234,236.80/x
  3. Step 3: Cross multiply
    2,151,972.16x = 2,969,730.56 × 1,234,236.80
  4. Step 4: Simplify right side
    2,151,972.16x = 3,665,350,743,236.61
  5. Step 5: Solve for x
    x = 3,665,350,743,236.61/2,151,972.16
  6. Step 6: Final answer
    x = 1,703,251.93

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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.