Home / 2,290,774.70-3,161,182.53-1,272,245.06

Finding the Fourth Proportional to 2,290,774.70, 3,161,182.53 and 1,272,245.06

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Solution

The fourth proportional to 2,290,774.70, 3,161,182.53 and 1,272,245.06 is: 1,755,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,774.70 : 3,161,182.53 = 1,272,245.06 : x
  2. Step 2: Convert to fraction form
    2,290,774.70/3,161,182.53 = 1,272,245.06/x
  3. Step 3: Cross multiply
    2,290,774.70x = 3,161,182.53 × 1,272,245.06
  4. Step 4: Simplify right side
    2,290,774.70x = 4,021,798,857,550.80
  5. Step 5: Solve for x
    x = 4,021,798,857,550.80/2,290,774.70
  6. Step 6: Final answer
    x = 1,755,650.11

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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.