Home / 3,205,128.74-4,422,902.45-1,754,543.57

Finding the Fourth Proportional to 3,205,128.74, 4,422,902.45 and 1,754,543.57

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Solution

The fourth proportional to 3,205,128.74, 4,422,902.45 and 1,754,543.57 is: 2,421,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205,128.74 : 4,422,902.45 = 1,754,543.57 : x
  2. Step 2: Convert to fraction form
    3,205,128.74/4,422,902.45 = 1,754,543.57/x
  3. Step 3: Cross multiply
    3,205,128.74x = 4,422,902.45 × 1,754,543.57
  4. Step 4: Simplify right side
    3,205,128.74x = 7,760,175,023,497.52
  5. Step 5: Solve for x
    x = 7,760,175,023,497.52/3,205,128.74
  6. Step 6: Final answer
    x = 2,421,174.21

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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.