Home / 3,976,009.80-5,964,014.70-2,758,288.20

Finding the Fourth Proportional to 3,976,009.80, 5,964,014.70 and 2,758,288.20

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Solution

The fourth proportional to 3,976,009.80, 5,964,014.70 and 2,758,288.20 is: 4,137,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,009.80 : 5,964,014.70 = 2,758,288.20 : x
  2. Step 2: Convert to fraction form
    3,976,009.80/5,964,014.70 = 2,758,288.20/x
  3. Step 3: Cross multiply
    3,976,009.80x = 5,964,014.70 × 2,758,288.20
  4. Step 4: Simplify right side
    3,976,009.80x = 16,450,471,371,636.54
  5. Step 5: Solve for x
    x = 16,450,471,371,636.54/3,976,009.80
  6. Step 6: Final answer
    x = 4,137,432.30

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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.