Home / 1,812,206.91-2,500,909.79-996,472.72

Finding the Fourth Proportional to 1,812,206.91, 2,500,909.79 and 996,472.72

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Solution

The fourth proportional to 1,812,206.91, 2,500,909.79 and 996,472.72 is: 1,375,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,206.91 : 2,500,909.79 = 996,472.72 : x
  2. Step 2: Convert to fraction form
    1,812,206.91/2,500,909.79 = 996,472.72/x
  3. Step 3: Cross multiply
    1,812,206.91x = 2,500,909.79 × 996,472.72
  4. Step 4: Simplify right side
    1,812,206.91x = 2,492,088,380,915.93
  5. Step 5: Solve for x
    x = 2,492,088,380,915.93/1,812,206.91
  6. Step 6: Final answer
    x = 1,375,167.68

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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.