Home / 3,851,720.67-5,315,374.20-2,132,841.33

Finding the Fourth Proportional to 3,851,720.67, 5,315,374.20 and 2,132,841.33

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Solution

The fourth proportional to 3,851,720.67, 5,315,374.20 and 2,132,841.33 is: 2,943,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,720.67 : 5,315,374.20 = 2,132,841.33 : x
  2. Step 2: Convert to fraction form
    3,851,720.67/5,315,374.20 = 2,132,841.33/x
  3. Step 3: Cross multiply
    3,851,720.67x = 5,315,374.20 × 2,132,841.33
  4. Step 4: Simplify right side
    3,851,720.67x = 11,336,849,778,175.69
  5. Step 5: Solve for x
    x = 11,336,849,778,175.69/3,851,720.67
  6. Step 6: Final answer
    x = 2,943,320.86

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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.