Home / 6,387,966-8,815,312.62-3,634,644.78

Finding the Fourth Proportional to 6,387,966, 8,815,312.62 and 3,634,644.78

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Solution

The fourth proportional to 6,387,966, 8,815,312.62 and 3,634,644.78 is: 5,015,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,966 : 8,815,312.62 = 3,634,644.78 : x
  2. Step 2: Convert to fraction form
    6,387,966/8,815,312.62 = 3,634,644.78/x
  3. Step 3: Cross multiply
    6,387,966x = 8,815,312.62 × 3,634,644.78
  4. Step 4: Simplify right side
    6,387,966x = 32,040,529,998,351.12
  5. Step 5: Solve for x
    x = 32,040,529,998,351.12/6,387,966
  6. Step 6: Final answer
    x = 5,015,764.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.