Home / 1,913,661.20-2,871,622.04-699,129.88

Finding the Fourth Proportional to 1,913,661.20, 2,871,622.04 and 699,129.88

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Solution

The fourth proportional to 1,913,661.20, 2,871,622.04 and 699,129.88 is: 1,049,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,661.20 : 2,871,622.04 = 699,129.88 : x
  2. Step 2: Convert to fraction form
    1,913,661.20/2,871,622.04 = 699,129.88/x
  3. Step 3: Cross multiply
    1,913,661.20x = 2,871,622.04 × 699,129.88
  4. Step 4: Simplify right side
    1,913,661.20x = 2,007,636,761,555.85
  5. Step 5: Solve for x
    x = 2,007,636,761,555.85/1,913,661.20
  6. Step 6: Final answer
    x = 1,049,107.73

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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.