Home / 6,980,758.12-10,471,266.78-2,188,340.20

Finding the Fourth Proportional to 6,980,758.12, 10,471,266.78 and 2,188,340.20

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Solution

The fourth proportional to 6,980,758.12, 10,471,266.78 and 2,188,340.20 is: 3,282,550.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,758.12 : 10,471,266.78 = 2,188,340.20 : x
  2. Step 2: Convert to fraction form
    6,980,758.12/10,471,266.78 = 2,188,340.20/x
  3. Step 3: Cross multiply
    6,980,758.12x = 10,471,266.78 × 2,188,340.20
  4. Step 4: Simplify right side
    6,980,758.12x = 22,914,694,039,598.55
  5. Step 5: Solve for x
    x = 22,914,694,039,598.55/6,980,758.12
  6. Step 6: Final answer
    x = 3,282,550.93

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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.