Home / 2,118,642.74-3,179,363.79-996,799.22

Finding the Fourth Proportional to 2,118,642.74, 3,179,363.79 and 996,799.22

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Solution

The fourth proportional to 2,118,642.74, 3,179,363.79 and 996,799.22 is: 1,495,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,642.74 : 3,179,363.79 = 996,799.22 : x
  2. Step 2: Convert to fraction form
    2,118,642.74/3,179,363.79 = 996,799.22/x
  3. Step 3: Cross multiply
    2,118,642.74x = 3,179,363.79 × 996,799.22
  4. Step 4: Simplify right side
    2,118,642.74x = 3,169,187,330,071.43
  5. Step 5: Solve for x
    x = 3,169,187,330,071.43/2,118,642.74
  6. Step 6: Final answer
    x = 1,495,857.36

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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.