Home / 2,375,155.26-3,277,721.25-1,287,431.15

Finding the Fourth Proportional to 2,375,155.26, 3,277,721.25 and 1,287,431.15

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Solution

The fourth proportional to 2,375,155.26, 3,277,721.25 and 1,287,431.15 is: 1,776,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375,155.26 : 3,277,721.25 = 1,287,431.15 : x
  2. Step 2: Convert to fraction form
    2,375,155.26/3,277,721.25 = 1,287,431.15/x
  3. Step 3: Cross multiply
    2,375,155.26x = 3,277,721.25 × 1,287,431.15
  4. Step 4: Simplify right side
    2,375,155.26x = 4,219,840,421,878.33
  5. Step 5: Solve for x
    x = 4,219,840,421,878.33/2,375,155.26
  6. Step 6: Final answer
    x = 1,776,658.77

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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.