Home / 1,812,072.12-2,500,676.61-996,281.43

Finding the Fourth Proportional to 1,812,072.12, 2,500,676.61 and 996,281.43

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Solution

The fourth proportional to 1,812,072.12, 2,500,676.61 and 996,281.43 is: 1,374,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,072.12 : 2,500,676.61 = 996,281.43 : x
  2. Step 2: Convert to fraction form
    1,812,072.12/2,500,676.61 = 996,281.43/x
  3. Step 3: Cross multiply
    1,812,072.12x = 2,500,676.61 × 996,281.43
  4. Step 4: Simplify right side
    1,812,072.12x = 2,491,377,668,978.35
  5. Step 5: Solve for x
    x = 2,491,377,668,978.35/1,812,072.12
  6. Step 6: Final answer
    x = 1,374,877.77

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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.