Home / 4,969,868-7,454,812.38-1,375,645.34

Finding the Fourth Proportional to 4,969,868, 7,454,812.38 and 1,375,645.34

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Solution

The fourth proportional to 4,969,868, 7,454,812.38 and 1,375,645.34 is: 2,063,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969,868 : 7,454,812.38 = 1,375,645.34 : x
  2. Step 2: Convert to fraction form
    4,969,868/7,454,812.38 = 1,375,645.34/x
  3. Step 3: Cross multiply
    4,969,868x = 7,454,812.38 × 1,375,645.34
  4. Step 4: Simplify right side
    4,969,868x = 10,255,177,911,121.31
  5. Step 5: Solve for x
    x = 10,255,177,911,121.31/4,969,868
  6. Step 6: Final answer
    x = 2,063,470.88

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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.