Home / 2,662,506.30-3,993,759.45-769,439.10

Finding the Fourth Proportional to 2,662,506.30, 3,993,759.45 and 769,439.10

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Solution

The fourth proportional to 2,662,506.30, 3,993,759.45 and 769,439.10 is: 1,154,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,506.30 : 3,993,759.45 = 769,439.10 : x
  2. Step 2: Convert to fraction form
    2,662,506.30/3,993,759.45 = 769,439.10/x
  3. Step 3: Cross multiply
    2,662,506.30x = 3,993,759.45 × 769,439.10
  4. Step 4: Simplify right side
    2,662,506.30x = 3,072,954,676,824.50
  5. Step 5: Solve for x
    x = 3,072,954,676,824.50/2,662,506.30
  6. Step 6: Final answer
    x = 1,154,158.65

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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.