Home / 3,108,306.44-4,290,100.98-1,961,617.16

Finding the Fourth Proportional to 3,108,306.44, 4,290,100.98 and 1,961,617.16

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Solution

The fourth proportional to 3,108,306.44, 4,290,100.98 and 1,961,617.16 is: 2,707,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,306.44 : 4,290,100.98 = 1,961,617.16 : x
  2. Step 2: Convert to fraction form
    3,108,306.44/4,290,100.98 = 1,961,617.16/x
  3. Step 3: Cross multiply
    3,108,306.44x = 4,290,100.98 × 1,961,617.16
  4. Step 4: Simplify right side
    3,108,306.44x = 8,415,535,700,500.82
  5. Step 5: Solve for x
    x = 8,415,535,700,500.82/3,108,306.44
  6. Step 6: Final answer
    x = 2,707,434.37

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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.