Home / 2,155,656.24-3,234,003.80-807,830.64

Finding the Fourth Proportional to 2,155,656.24, 3,234,003.80 and 807,830.64

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Solution

The fourth proportional to 2,155,656.24, 3,234,003.80 and 807,830.64 is: 1,211,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,656.24 : 3,234,003.80 = 807,830.64 : x
  2. Step 2: Convert to fraction form
    2,155,656.24/3,234,003.80 = 807,830.64/x
  3. Step 3: Cross multiply
    2,155,656.24x = 3,234,003.80 × 807,830.64
  4. Step 4: Simplify right side
    2,155,656.24x = 2,612,527,359,516.43
  5. Step 5: Solve for x
    x = 2,612,527,359,516.43/2,155,656.24
  6. Step 6: Final answer
    x = 1,211,940.62

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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.