Home / 2,079,521.80-3,119,282.70-1,271,206.60

Finding the Fourth Proportional to 2,079,521.80, 3,119,282.70 and 1,271,206.60

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Solution

The fourth proportional to 2,079,521.80, 3,119,282.70 and 1,271,206.60 is: 1,906,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,521.80 : 3,119,282.70 = 1,271,206.60 : x
  2. Step 2: Convert to fraction form
    2,079,521.80/3,119,282.70 = 1,271,206.60/x
  3. Step 3: Cross multiply
    2,079,521.80x = 3,119,282.70 × 1,271,206.60
  4. Step 4: Simplify right side
    2,079,521.80x = 3,965,252,755,505.82
  5. Step 5: Solve for x
    x = 3,965,252,755,505.82/2,079,521.80
  6. Step 6: Final answer
    x = 1,906,809.90

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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.