Home / 2,286,414.90-3,155,024.97-1,319,856.66

Finding the Fourth Proportional to 2,286,414.90, 3,155,024.97 and 1,319,856.66

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Solution

The fourth proportional to 2,286,414.90, 3,155,024.97 and 1,319,856.66 is: 1,821,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,414.90 : 3,155,024.97 = 1,319,856.66 : x
  2. Step 2: Convert to fraction form
    2,286,414.90/3,155,024.97 = 1,319,856.66/x
  3. Step 3: Cross multiply
    2,286,414.90x = 3,155,024.97 × 1,319,856.66
  4. Step 4: Simplify right side
    2,286,414.90x = 4,164,180,719,120.80
  5. Step 5: Solve for x
    x = 4,164,180,719,120.80/2,286,414.90
  6. Step 6: Final answer
    x = 1,821,270.81

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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.