Home / 1,882,000.78-2,821,414.21-816,240.13

Finding the Fourth Proportional to 1,882,000.78, 2,821,414.21 and 816,240.13

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Solution

The fourth proportional to 1,882,000.78, 2,821,414.21 and 816,240.13 is: 1,223,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,000.78 : 2,821,414.21 = 816,240.13 : x
  2. Step 2: Convert to fraction form
    1,882,000.78/2,821,414.21 = 816,240.13/x
  3. Step 3: Cross multiply
    1,882,000.78x = 2,821,414.21 × 816,240.13
  4. Step 4: Simplify right side
    1,882,000.78x = 2,302,951,492,460.11
  5. Step 5: Solve for x
    x = 2,302,951,492,460.11/1,882,000.78
  6. Step 6: Final answer
    x = 1,223,671.91

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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.