Home / 3,447,001.71-5,170,845.20-1,318,875.75

Finding the Fourth Proportional to 3,447,001.71, 5,170,845.20 and 1,318,875.75

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Solution

The fourth proportional to 3,447,001.71, 5,170,845.20 and 1,318,875.75 is: 1,978,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,001.71 : 5,170,845.20 = 1,318,875.75 : x
  2. Step 2: Convert to fraction form
    3,447,001.71/5,170,845.20 = 1,318,875.75/x
  3. Step 3: Cross multiply
    3,447,001.71x = 5,170,845.20 × 1,318,875.75
  4. Step 4: Simplify right side
    3,447,001.71x = 6,819,702,334,689.52
  5. Step 5: Solve for x
    x = 6,819,702,334,689.52/3,447,001.71
  6. Step 6: Final answer
    x = 1,978,444.72

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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.