Home / 6,444,778.78-8,891,277.55-3,689,993.95

Finding the Fourth Proportional to 6,444,778.78, 8,891,277.55 and 3,689,993.95

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Solution

The fourth proportional to 6,444,778.78, 8,891,277.55 and 3,689,993.95 is: 5,090,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444,778.78 : 8,891,277.55 = 3,689,993.95 : x
  2. Step 2: Convert to fraction form
    6,444,778.78/8,891,277.55 = 3,689,993.95/x
  3. Step 3: Cross multiply
    6,444,778.78x = 8,891,277.55 × 3,689,993.95
  4. Step 4: Simplify right side
    6,444,778.78x = 32,808,760,335,817.64
  5. Step 5: Solve for x
    x = 32,808,760,335,817.64/6,444,778.78
  6. Step 6: Final answer
    x = 5,090,750.43

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1.5x scale

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.