Home / 5,678,650.39-8,517,993.78-1,418,819.08

Finding the Fourth Proportional to 5,678,650.39, 8,517,993.78 and 1,418,819.08

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Solution

The fourth proportional to 5,678,650.39, 8,517,993.78 and 1,418,819.08 is: 2,128,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,650.39 : 8,517,993.78 = 1,418,819.08 : x
  2. Step 2: Convert to fraction form
    5,678,650.39/8,517,993.78 = 1,418,819.08/x
  3. Step 3: Cross multiply
    5,678,650.39x = 8,517,993.78 × 1,418,819.08
  4. Step 4: Simplify right side
    5,678,650.39x = 12,085,492,098,385.32
  5. Step 5: Solve for x
    x = 12,085,492,098,385.32/5,678,650.39
  6. Step 6: Final answer
    x = 2,128,233.17

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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.