Home / 2,183,455.15-3,275,643.53-687,698.35

Finding the Fourth Proportional to 2,183,455.15, 3,275,643.53 and 687,698.35

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Solution

The fourth proportional to 2,183,455.15, 3,275,643.53 and 687,698.35 is: 1,031,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,455.15 : 3,275,643.53 = 687,698.35 : x
  2. Step 2: Convert to fraction form
    2,183,455.15/3,275,643.53 = 687,698.35/x
  3. Step 3: Cross multiply
    2,183,455.15x = 3,275,643.53 × 687,698.35
  4. Step 4: Simplify right side
    2,183,455.15x = 2,252,654,647,330.68
  5. Step 5: Solve for x
    x = 2,252,654,647,330.68/2,183,455.15
  6. Step 6: Final answer
    x = 1,031,692.66

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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.