Home / 3,851,689.86-5,315,266.37-2,132,773.47

Finding the Fourth Proportional to 3,851,689.86, 5,315,266.37 and 2,132,773.47

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Solution

The fourth proportional to 3,851,689.86, 5,315,266.37 and 2,132,773.47 is: 2,943,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,689.86 : 5,315,266.37 = 2,132,773.47 : x
  2. Step 2: Convert to fraction form
    3,851,689.86/5,315,266.37 = 2,132,773.47/x
  3. Step 3: Cross multiply
    3,851,689.86x = 5,315,266.37 × 2,132,773.47
  4. Step 4: Simplify right side
    3,851,689.86x = 11,336,259,089,255.34
  5. Step 5: Solve for x
    x = 11,336,259,089,255.34/3,851,689.86
  6. Step 6: Final answer
    x = 2,943,191.04

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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.