Home / 2,005,093.20-3,007,639.80-1,207,931.70

Finding the Fourth Proportional to 2,005,093.20, 3,007,639.80 and 1,207,931.70

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Solution

The fourth proportional to 2,005,093.20, 3,007,639.80 and 1,207,931.70 is: 1,811,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,093.20 : 3,007,639.80 = 1,207,931.70 : x
  2. Step 2: Convert to fraction form
    2,005,093.20/3,007,639.80 = 1,207,931.70/x
  3. Step 3: Cross multiply
    2,005,093.20x = 3,007,639.80 × 1,207,931.70
  4. Step 4: Simplify right side
    2,005,093.20x = 3,633,023,456,601.66
  5. Step 5: Solve for x
    x = 3,633,023,456,601.66/2,005,093.20
  6. Step 6: Final answer
    x = 1,811,897.55

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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.