Home / 3,935,786.80-5,890,348.60-2,420,430.91

Finding the Fourth Proportional to 3,935,786.80, 5,890,348.60 and 2,420,430.91

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Solution

The fourth proportional to 3,935,786.80, 5,890,348.60 and 2,420,430.91 is: 3,622,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935,786.80 : 5,890,348.60 = 2,420,430.91 : x
  2. Step 2: Convert to fraction form
    3,935,786.80/5,890,348.60 = 2,420,430.91/x
  3. Step 3: Cross multiply
    3,935,786.80x = 5,890,348.60 × 2,420,430.91
  4. Step 4: Simplify right side
    3,935,786.80x = 14,257,181,822,115.23
  5. Step 5: Solve for x
    x = 14,257,181,822,115.23/3,935,786.80
  6. Step 6: Final answer
    x = 3,622,447.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.