Home / 3,917,532.94-5,406,205.87-2,175,205.57

Finding the Fourth Proportional to 3,917,532.94, 5,406,205.87 and 2,175,205.57

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Solution

The fourth proportional to 3,917,532.94, 5,406,205.87 and 2,175,205.57 is: 3,001,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,532.94 : 5,406,205.87 = 2,175,205.57 : x
  2. Step 2: Convert to fraction form
    3,917,532.94/5,406,205.87 = 2,175,205.57/x
  3. Step 3: Cross multiply
    3,917,532.94x = 5,406,205.87 × 2,175,205.57
  4. Step 4: Simplify right side
    3,917,532.94x = 11,759,609,093,959.67
  5. Step 5: Solve for x
    x = 11,759,609,093,959.67/3,917,532.94
  6. Step 6: Final answer
    x = 3,001,789.47

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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.