Home / 2,219,778.15-3,063,301.92-1,201,182.90

Finding the Fourth Proportional to 2,219,778.15, 3,063,301.92 and 1,201,182.90

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Solution

The fourth proportional to 2,219,778.15, 3,063,301.92 and 1,201,182.90 is: 1,657,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,778.15 : 3,063,301.92 = 1,201,182.90 : x
  2. Step 2: Convert to fraction form
    2,219,778.15/3,063,301.92 = 1,201,182.90/x
  3. Step 3: Cross multiply
    2,219,778.15x = 3,063,301.92 × 1,201,182.90
  4. Step 4: Simplify right side
    2,219,778.15x = 3,679,585,883,841.17
  5. Step 5: Solve for x
    x = 3,679,585,883,841.17/2,219,778.15
  6. Step 6: Final answer
    x = 1,657,636.77

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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.