Home / 3,845,182.56-5,306,386.32-2,126,418.72

Finding the Fourth Proportional to 3,845,182.56, 5,306,386.32 and 2,126,418.72

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Solution

The fourth proportional to 3,845,182.56, 5,306,386.32 and 2,126,418.72 is: 2,934,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845,182.56 : 5,306,386.32 = 2,126,418.72 : x
  2. Step 2: Convert to fraction form
    3,845,182.56/5,306,386.32 = 2,126,418.72/x
  3. Step 3: Cross multiply
    3,845,182.56x = 5,306,386.32 × 2,126,418.72
  4. Step 4: Simplify right side
    3,845,182.56x = 11,283,599,206,399.91
  5. Step 5: Solve for x
    x = 11,283,599,206,399.91/3,845,182.56
  6. Step 6: Final answer
    x = 2,934,476.85

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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.