Home / 3,851,140.69-5,314,740.24-2,132,261.23

Finding the Fourth Proportional to 3,851,140.69, 5,314,740.24 and 2,132,261.23

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Solution

The fourth proportional to 3,851,140.69, 5,314,740.24 and 2,132,261.23 is: 2,942,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,140.69 : 5,314,740.24 = 2,132,261.23 : x
  2. Step 2: Convert to fraction form
    3,851,140.69/5,314,740.24 = 2,132,261.23/x
  3. Step 3: Cross multiply
    3,851,140.69x = 5,314,740.24 × 2,132,261.23
  4. Step 4: Simplify right side
    3,851,140.69x = 11,332,414,561,272.90
  5. Step 5: Solve for x
    x = 11,332,414,561,272.90/3,851,140.69
  6. Step 6: Final answer
    x = 2,942,612.46

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Double scale
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1.5x scale

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.