Home / 6,218,006.82-8,580,867.20-3,605,018.72

Finding the Fourth Proportional to 6,218,006.82, 8,580,867.20 and 3,605,018.72

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Solution

The fourth proportional to 6,218,006.82, 8,580,867.20 and 3,605,018.72 is: 4,974,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218,006.82 : 8,580,867.20 = 3,605,018.72 : x
  2. Step 2: Convert to fraction form
    6,218,006.82/8,580,867.20 = 3,605,018.72/x
  3. Step 3: Cross multiply
    6,218,006.82x = 8,580,867.20 × 3,605,018.72
  4. Step 4: Simplify right side
    6,218,006.82x = 30,934,186,889,833.98
  5. Step 5: Solve for x
    x = 30,934,186,889,833.98/6,218,006.82
  6. Step 6: Final answer
    x = 4,974,936.15

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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.