Home / 2,205,398.80-3,306,348.60-1,208,126.80

Finding the Fourth Proportional to 2,205,398.80, 3,306,348.60 and 1,208,126.80

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Solution

The fourth proportional to 2,205,398.80, 3,306,348.60 and 1,208,126.80 is: 1,811,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,398.80 : 3,306,348.60 = 1,208,126.80 : x
  2. Step 2: Convert to fraction form
    2,205,398.80/3,306,348.60 = 1,208,126.80/x
  3. Step 3: Cross multiply
    2,205,398.80x = 3,306,348.60 × 1,208,126.80
  4. Step 4: Simplify right side
    2,205,398.80x = 3,994,488,353,802.48
  5. Step 5: Solve for x
    x = 3,994,488,353,802.48/2,205,398.80
  6. Step 6: Final answer
    x = 1,811,231.76

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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.