Home / 2,142,578.91-2,956,750.74-1,175,725.38

Finding the Fourth Proportional to 2,142,578.91, 2,956,750.74 and 1,175,725.38

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Solution

The fourth proportional to 2,142,578.91, 2,956,750.74 and 1,175,725.38 is: 1,622,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,578.91 : 2,956,750.74 = 1,175,725.38 : x
  2. Step 2: Convert to fraction form
    2,142,578.91/2,956,750.74 = 1,175,725.38/x
  3. Step 3: Cross multiply
    2,142,578.91x = 2,956,750.74 × 1,175,725.38
  4. Step 4: Simplify right side
    2,142,578.91x = 3,476,326,887,351.78
  5. Step 5: Solve for x
    x = 3,476,326,887,351.78/2,142,578.91
  6. Step 6: Final answer
    x = 1,622,496.55

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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.