Home / 2,591,000.65-3,886,999.12-993,439.15

Finding the Fourth Proportional to 2,591,000.65, 3,886,999.12 and 993,439.15

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Solution

The fourth proportional to 2,591,000.65, 3,886,999.12 and 993,439.15 is: 1,490,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,000.65 : 3,886,999.12 = 993,439.15 : x
  2. Step 2: Convert to fraction form
    2,591,000.65/3,886,999.12 = 993,439.15/x
  3. Step 3: Cross multiply
    2,591,000.65x = 3,886,999.12 × 993,439.15
  4. Step 4: Simplify right side
    2,591,000.65x = 3,861,497,090,553.80
  5. Step 5: Solve for x
    x = 3,861,497,090,553.80/2,591,000.65
  6. Step 6: Final answer
    x = 1,490,349.72

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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.