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Finding the Fourth Proportional to 2,447,844.64, 3,671,766.24 and 764,948.32

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Solution

The fourth proportional to 2,447,844.64, 3,671,766.24 and 764,948.32 is: 1,147,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447,844.64 : 3,671,766.24 = 764,948.32 : x
  2. Step 2: Convert to fraction form
    2,447,844.64/3,671,766.24 = 764,948.32/x
  3. Step 3: Cross multiply
    2,447,844.64x = 3,671,766.24 × 764,948.32
  4. Step 4: Simplify right side
    2,447,844.64x = 2,808,711,416,720.72
  5. Step 5: Solve for x
    x = 2,808,711,416,720.72/2,447,844.64
  6. Step 6: Final answer
    x = 1,147,422.26

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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.