Home / 2,290,885.44-3,161,429.29-1,272,290.19

Finding the Fourth Proportional to 2,290,885.44, 3,161,429.29 and 1,272,290.19

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Solution

The fourth proportional to 2,290,885.44, 3,161,429.29 and 1,272,290.19 is: 1,755,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,885.44 : 3,161,429.29 = 1,272,290.19 : x
  2. Step 2: Convert to fraction form
    2,290,885.44/3,161,429.29 = 1,272,290.19/x
  3. Step 3: Cross multiply
    2,290,885.44x = 3,161,429.29 × 1,272,290.19
  4. Step 4: Simplify right side
    2,290,885.44x = 4,022,255,472,045.67
  5. Step 5: Solve for x
    x = 4,022,255,472,045.67/2,290,885.44
  6. Step 6: Final answer
    x = 1,755,764.56

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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.