Home / 2,919,940.22-4,377,539.13-1,215,359.43

Finding the Fourth Proportional to 2,919,940.22, 4,377,539.13 and 1,215,359.43

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Solution

The fourth proportional to 2,919,940.22, 4,377,539.13 and 1,215,359.43 is: 1,822,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,940.22 : 4,377,539.13 = 1,215,359.43 : x
  2. Step 2: Convert to fraction form
    2,919,940.22/4,377,539.13 = 1,215,359.43/x
  3. Step 3: Cross multiply
    2,919,940.22x = 4,377,539.13 × 1,215,359.43
  4. Step 4: Simplify right side
    2,919,940.22x = 5,320,283,461,839.50
  5. Step 5: Solve for x
    x = 5,320,283,461,839.50/2,919,940.22
  6. Step 6: Final answer
    x = 1,822,052.19

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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.