Home / 2,311,947.35-3,191,129.12-1,345,265

Finding the Fourth Proportional to 2,311,947.35, 3,191,129.12 and 1,345,265

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Solution

The fourth proportional to 2,311,947.35, 3,191,129.12 and 1,345,265 is: 1,856,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,947.35 : 3,191,129.12 = 1,345,265 : x
  2. Step 2: Convert to fraction form
    2,311,947.35/3,191,129.12 = 1,345,265/x
  3. Step 3: Cross multiply
    2,311,947.35x = 3,191,129.12 × 1,345,265
  4. Step 4: Simplify right side
    2,311,947.35x = 4,292,914,315,616.80
  5. Step 5: Solve for x
    x = 4,292,914,315,616.80/2,311,947.35
  6. Step 6: Final answer
    x = 1,856,839.13

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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.