Home / 7,177,970.45-10,766,900.23-1,786,584.87

Finding the Fourth Proportional to 7,177,970.45, 10,766,900.23 and 1,786,584.87

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Solution

The fourth proportional to 7,177,970.45, 10,766,900.23 and 1,786,584.87 is: 2,679,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177,970.45 : 10,766,900.23 = 1,786,584.87 : x
  2. Step 2: Convert to fraction form
    7,177,970.45/10,766,900.23 = 1,786,584.87/x
  3. Step 3: Cross multiply
    7,177,970.45x = 10,766,900.23 × 1,786,584.87
  4. Step 4: Simplify right side
    7,177,970.45x = 19,235,981,043,251.06
  5. Step 5: Solve for x
    x = 19,235,981,043,251.06/7,177,970.45
  6. Step 6: Final answer
    x = 2,679,863.50

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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.