Home / 2,515,191.12-3,470,854.86-1,369,275.48

Finding the Fourth Proportional to 2,515,191.12, 3,470,854.86 and 1,369,275.48

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Solution

The fourth proportional to 2,515,191.12, 3,470,854.86 and 1,369,275.48 is: 1,889,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,191.12 : 3,470,854.86 = 1,369,275.48 : x
  2. Step 2: Convert to fraction form
    2,515,191.12/3,470,854.86 = 1,369,275.48/x
  3. Step 3: Cross multiply
    2,515,191.12x = 3,470,854.86 × 1,369,275.48
  4. Step 4: Simplify right side
    2,515,191.12x = 4,752,556,454,436.83
  5. Step 5: Solve for x
    x = 4,752,556,454,436.83/2,515,191.12
  6. Step 6: Final answer
    x = 1,889,540.88

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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.