Home / 2,629,549.80-3,942,020.70-1,785,364.20

Finding the Fourth Proportional to 2,629,549.80, 3,942,020.70 and 1,785,364.20

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Solution

The fourth proportional to 2,629,549.80, 3,942,020.70 and 1,785,364.20 is: 2,676,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,549.80 : 3,942,020.70 = 1,785,364.20 : x
  2. Step 2: Convert to fraction form
    2,629,549.80/3,942,020.70 = 1,785,364.20/x
  3. Step 3: Cross multiply
    2,629,549.80x = 3,942,020.70 × 1,785,364.20
  4. Step 4: Simplify right side
    2,629,549.80x = 7,037,942,633,438.94
  5. Step 5: Solve for x
    x = 7,037,942,633,438.94/2,629,549.80
  6. Step 6: Final answer
    x = 2,676,481.97

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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.