Home / 3,851,742-5,315,400.60-2,132,862.48

Finding the Fourth Proportional to 3,851,742, 5,315,400.60 and 2,132,862.48

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Solution

The fourth proportional to 3,851,742, 5,315,400.60 and 2,132,862.48 is: 2,943,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,742 : 5,315,400.60 = 2,132,862.48 : x
  2. Step 2: Convert to fraction form
    3,851,742/5,315,400.60 = 2,132,862.48/x
  3. Step 3: Cross multiply
    3,851,742x = 5,315,400.60 × 2,132,862.48
  4. Step 4: Simplify right side
    3,851,742x = 11,337,018,505,909.49
  5. Step 5: Solve for x
    x = 11,337,018,505,909.49/3,851,742
  6. Step 6: Final answer
    x = 2,943,348.36

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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.