Home / 3,419,170.56-4,718,161.44-1,890,897.28

Finding the Fourth Proportional to 3,419,170.56, 4,718,161.44 and 1,890,897.28

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Solution

The fourth proportional to 3,419,170.56, 4,718,161.44 and 1,890,897.28 is: 2,609,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,170.56 : 4,718,161.44 = 1,890,897.28 : x
  2. Step 2: Convert to fraction form
    3,419,170.56/4,718,161.44 = 1,890,897.28/x
  3. Step 3: Cross multiply
    3,419,170.56x = 4,718,161.44 × 1,890,897.28
  4. Step 4: Simplify right side
    3,419,170.56x = 8,921,558,633,496.89
  5. Step 5: Solve for x
    x = 8,921,558,633,496.89/3,419,170.56
  6. Step 6: Final answer
    x = 2,609,275.69

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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.