Home / 3,482,492.80-5,220,589.68-1,238,105.92

Finding the Fourth Proportional to 3,482,492.80, 5,220,589.68 and 1,238,105.92

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Solution

The fourth proportional to 3,482,492.80, 5,220,589.68 and 1,238,105.92 is: 1,856,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482,492.80 : 5,220,589.68 = 1,238,105.92 : x
  2. Step 2: Convert to fraction form
    3,482,492.80/5,220,589.68 = 1,238,105.92/x
  3. Step 3: Cross multiply
    3,482,492.80x = 5,220,589.68 × 1,238,105.92
  4. Step 4: Simplify right side
    3,482,492.80x = 6,463,642,988,698.91
  5. Step 5: Solve for x
    x = 6,463,642,988,698.91/3,482,492.80
  6. Step 6: Final answer
    x = 1,856,039.15

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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.