Home / 6,441,499.78-8,889,380.20-3,541,012.90

Finding the Fourth Proportional to 6,441,499.78, 8,889,380.20 and 3,541,012.90

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Solution

The fourth proportional to 6,441,499.78, 8,889,380.20 and 3,541,012.90 is: 4,886,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441,499.78 : 8,889,380.20 = 3,541,012.90 : x
  2. Step 2: Convert to fraction form
    6,441,499.78/8,889,380.20 = 3,541,012.90/x
  3. Step 3: Cross multiply
    6,441,499.78x = 8,889,380.20 × 3,541,012.90
  4. Step 4: Simplify right side
    6,441,499.78x = 31,477,409,961,204.58
  5. Step 5: Solve for x
    x = 31,477,409,961,204.58/6,441,499.78
  6. Step 6: Final answer
    x = 4,886,658.55

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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.