Home / 4,078,471.20-6,117,706.80-2,188,903.20

Finding the Fourth Proportional to 4,078,471.20, 6,117,706.80 and 2,188,903.20

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Solution

The fourth proportional to 4,078,471.20, 6,117,706.80 and 2,188,903.20 is: 3,283,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,471.20 : 6,117,706.80 = 2,188,903.20 : x
  2. Step 2: Convert to fraction form
    4,078,471.20/6,117,706.80 = 2,188,903.20/x
  3. Step 3: Cross multiply
    4,078,471.20x = 6,117,706.80 × 2,188,903.20
  4. Step 4: Simplify right side
    4,078,471.20x = 13,391,067,991,181.76
  5. Step 5: Solve for x
    x = 13,391,067,991,181.76/4,078,471.20
  6. Step 6: Final answer
    x = 3,283,354.80

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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.