Home / 2,290,882.50-3,161,417.85-1,272,382.02

Finding the Fourth Proportional to 2,290,882.50, 3,161,417.85 and 1,272,382.02

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Solution

The fourth proportional to 2,290,882.50, 3,161,417.85 and 1,272,382.02 is: 1,755,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,882.50 : 3,161,417.85 = 1,272,382.02 : x
  2. Step 2: Convert to fraction form
    2,290,882.50/3,161,417.85 = 1,272,382.02/x
  3. Step 3: Cross multiply
    2,290,882.50x = 3,161,417.85 × 1,272,382.02
  4. Step 4: Simplify right side
    2,290,882.50x = 4,022,531,230,047.06
  5. Step 5: Solve for x
    x = 4,022,531,230,047.06/2,290,882.50
  6. Step 6: Final answer
    x = 1,755,887.19

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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.