Home / 2,191,734.57-3,287,961.68-675,417.76

Finding the Fourth Proportional to 2,191,734.57, 3,287,961.68 and 675,417.76

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Solution

The fourth proportional to 2,191,734.57, 3,287,961.68 and 675,417.76 is: 1,013,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,734.57 : 3,287,961.68 = 675,417.76 : x
  2. Step 2: Convert to fraction form
    2,191,734.57/3,287,961.68 = 675,417.76/x
  3. Step 3: Cross multiply
    2,191,734.57x = 3,287,961.68 × 675,417.76
  4. Step 4: Simplify right side
    2,191,734.57x = 2,220,747,693,054.54
  5. Step 5: Solve for x
    x = 2,220,747,693,054.54/2,191,734.57
  6. Step 6: Final answer
    x = 1,013,237.52

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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.