Home / 2,151,966.16-2,969,722.20-1,234,230.76

Finding the Fourth Proportional to 2,151,966.16, 2,969,722.20 and 1,234,230.76

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Solution

The fourth proportional to 2,151,966.16, 2,969,722.20 and 1,234,230.76 is: 1,703,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,966.16 : 2,969,722.20 = 1,234,230.76 : x
  2. Step 2: Convert to fraction form
    2,151,966.16/2,969,722.20 = 1,234,230.76/x
  3. Step 3: Cross multiply
    2,151,966.16x = 2,969,722.20 × 1,234,230.76
  4. Step 4: Simplify right side
    2,151,966.16x = 3,665,322,487,894.87
  5. Step 5: Solve for x
    x = 3,665,322,487,894.87/2,151,966.16
  6. Step 6: Final answer
    x = 1,703,243.55

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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.