Home / 3,428,151.32-5,138,601.46-1,267,788.28

Finding the Fourth Proportional to 3,428,151.32, 5,138,601.46 and 1,267,788.28

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Solution

The fourth proportional to 3,428,151.32, 5,138,601.46 and 1,267,788.28 is: 1,900,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,151.32 : 5,138,601.46 = 1,267,788.28 : x
  2. Step 2: Convert to fraction form
    3,428,151.32/5,138,601.46 = 1,267,788.28/x
  3. Step 3: Cross multiply
    3,428,151.32x = 5,138,601.46 × 1,267,788.28
  4. Step 4: Simplify right side
    3,428,151.32x = 6,514,658,706,578.89
  5. Step 5: Solve for x
    x = 6,514,658,706,578.89/3,428,151.32
  6. Step 6: Final answer
    x = 1,900,341.64

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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.