Home / 6,436,407.10-9,654,610.65-1,948,906.30

Finding the Fourth Proportional to 6,436,407.10, 9,654,610.65 and 1,948,906.30

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Solution

The fourth proportional to 6,436,407.10, 9,654,610.65 and 1,948,906.30 is: 2,923,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436,407.10 : 9,654,610.65 = 1,948,906.30 : x
  2. Step 2: Convert to fraction form
    6,436,407.10/9,654,610.65 = 1,948,906.30/x
  3. Step 3: Cross multiply
    6,436,407.10x = 9,654,610.65 × 1,948,906.30
  4. Step 4: Simplify right side
    6,436,407.10x = 18,815,931,519,832.10
  5. Step 5: Solve for x
    x = 18,815,931,519,832.10/6,436,407.10
  6. Step 6: Final answer
    x = 2,923,359.45

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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.