Home / 6,980,761.12-10,471,271.28-2,188,343.20

Finding the Fourth Proportional to 6,980,761.12, 10,471,271.28 and 2,188,343.20

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Solution

The fourth proportional to 6,980,761.12, 10,471,271.28 and 2,188,343.20 is: 3,282,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,761.12 : 10,471,271.28 = 2,188,343.20 : x
  2. Step 2: Convert to fraction form
    6,980,761.12/10,471,271.28 = 2,188,343.20/x
  3. Step 3: Cross multiply
    6,980,761.12x = 10,471,271.28 × 2,188,343.20
  4. Step 4: Simplify right side
    6,980,761.12x = 22,914,735,300,943.30
  5. Step 5: Solve for x
    x = 22,914,735,300,943.30/6,980,761.12
  6. Step 6: Final answer
    x = 3,282,555.43

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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.