Home / 3,739,600.74-5,160,648.92-2,020,721.21

Finding the Fourth Proportional to 3,739,600.74, 5,160,648.92 and 2,020,721.21

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Solution

The fourth proportional to 3,739,600.74, 5,160,648.92 and 2,020,721.21 is: 2,788,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739,600.74 : 5,160,648.92 = 2,020,721.21 : x
  2. Step 2: Convert to fraction form
    3,739,600.74/5,160,648.92 = 2,020,721.21/x
  3. Step 3: Cross multiply
    3,739,600.74x = 5,160,648.92 × 2,020,721.21
  4. Step 4: Simplify right side
    3,739,600.74x = 10,428,232,694,100.74
  5. Step 5: Solve for x
    x = 10,428,232,694,100.74/3,739,600.74
  6. Step 6: Final answer
    x = 2,788,595.21

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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.