Home / 1,921,377.97-2,882,571.72-690,510.17

Finding the Fourth Proportional to 1,921,377.97, 2,882,571.72 and 690,510.17

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Solution

The fourth proportional to 1,921,377.97, 2,882,571.72 and 690,510.17 is: 1,035,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,377.97 : 2,882,571.72 = 690,510.17 : x
  2. Step 2: Convert to fraction form
    1,921,377.97/2,882,571.72 = 690,510.17/x
  3. Step 3: Cross multiply
    1,921,377.97x = 2,882,571.72 × 690,510.17
  4. Step 4: Simplify right side
    1,921,377.97x = 1,990,445,088,414.39
  5. Step 5: Solve for x
    x = 1,990,445,088,414.39/1,921,377.97
  6. Step 6: Final answer
    x = 1,035,946.66

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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.