Home / 3,943,128.75-5,441,517.95-2,132,292.75

Finding the Fourth Proportional to 3,943,128.75, 5,441,517.95 and 2,132,292.75

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Solution

The fourth proportional to 3,943,128.75, 5,441,517.95 and 2,132,292.75 is: 2,942,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,128.75 : 5,441,517.95 = 2,132,292.75 : x
  2. Step 2: Convert to fraction form
    3,943,128.75/5,441,517.95 = 2,132,292.75/x
  3. Step 3: Cross multiply
    3,943,128.75x = 5,441,517.95 × 2,132,292.75
  4. Step 4: Simplify right side
    3,943,128.75x = 11,602,909,263,118.40
  5. Step 5: Solve for x
    x = 11,602,909,263,118.40/3,943,128.75
  6. Step 6: Final answer
    x = 2,942,564.14

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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.