Home / 3,211,972.80-4,817,959.20-1,081,348.80

Finding the Fourth Proportional to 3,211,972.80, 4,817,959.20 and 1,081,348.80

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Solution

The fourth proportional to 3,211,972.80, 4,817,959.20 and 1,081,348.80 is: 1,622,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,972.80 : 4,817,959.20 = 1,081,348.80 : x
  2. Step 2: Convert to fraction form
    3,211,972.80/4,817,959.20 = 1,081,348.80/x
  3. Step 3: Cross multiply
    3,211,972.80x = 4,817,959.20 × 1,081,348.80
  4. Step 4: Simplify right side
    3,211,972.80x = 5,209,894,399,368.96
  5. Step 5: Solve for x
    x = 5,209,894,399,368.96/3,211,972.80
  6. Step 6: Final answer
    x = 1,622,023.20

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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.