Home / 3,911,591-5,398,015.02-2,281,129.04

Finding the Fourth Proportional to 3,911,591, 5,398,015.02 and 2,281,129.04

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Solution

The fourth proportional to 3,911,591, 5,398,015.02 and 2,281,129.04 is: 3,147,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,591 : 5,398,015.02 = 2,281,129.04 : x
  2. Step 2: Convert to fraction form
    3,911,591/5,398,015.02 = 2,281,129.04/x
  3. Step 3: Cross multiply
    3,911,591x = 5,398,015.02 × 2,281,129.04
  4. Step 4: Simplify right side
    3,911,591x = 12,313,568,820,478.18
  5. Step 5: Solve for x
    x = 12,313,568,820,478.18/3,911,591
  6. Step 6: Final answer
    x = 3,147,969.41

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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.