Home / 2,309,480.48-3,187,087.08-1,290,884.42

Finding the Fourth Proportional to 2,309,480.48, 3,187,087.08 and 1,290,884.42

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Solution

The fourth proportional to 2,309,480.48, 3,187,087.08 and 1,290,884.42 is: 1,781,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,480.48 : 3,187,087.08 = 1,290,884.42 : x
  2. Step 2: Convert to fraction form
    2,309,480.48/3,187,087.08 = 1,290,884.42/x
  3. Step 3: Cross multiply
    2,309,480.48x = 3,187,087.08 × 1,290,884.42
  4. Step 4: Simplify right side
    2,309,480.48x = 4,114,161,056,755.29
  5. Step 5: Solve for x
    x = 4,114,161,056,755.29/2,309,480.48
  6. Step 6: Final answer
    x = 1,781,422.75

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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.