Home / 2,612,873.62-3,919,275.69-1,265,156.74

Finding the Fourth Proportional to 2,612,873.62, 3,919,275.69 and 1,265,156.74

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Solution

The fourth proportional to 2,612,873.62, 3,919,275.69 and 1,265,156.74 is: 1,897,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,873.62 : 3,919,275.69 = 1,265,156.74 : x
  2. Step 2: Convert to fraction form
    2,612,873.62/3,919,275.69 = 1,265,156.74/x
  3. Step 3: Cross multiply
    2,612,873.62x = 3,919,275.69 × 1,265,156.74
  4. Step 4: Simplify right side
    2,612,873.62x = 4,958,498,055,121.65
  5. Step 5: Solve for x
    x = 4,958,498,055,121.65/2,612,873.62
  6. Step 6: Final answer
    x = 1,897,718.29

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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.