Home / 2,211,167.12-3,317,042.51-771,876.44

Finding the Fourth Proportional to 2,211,167.12, 3,317,042.51 and 771,876.44

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Solution

The fourth proportional to 2,211,167.12, 3,317,042.51 and 771,876.44 is: 1,157,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,167.12 : 3,317,042.51 = 771,876.44 : x
  2. Step 2: Convert to fraction form
    2,211,167.12/3,317,042.51 = 771,876.44/x
  3. Step 3: Cross multiply
    2,211,167.12x = 3,317,042.51 × 771,876.44
  4. Step 4: Simplify right side
    2,211,167.12x = 2,560,346,963,947.46
  5. Step 5: Solve for x
    x = 2,560,346,963,947.46/2,211,167.12
  6. Step 6: Final answer
    x = 1,157,916.53

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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.