Home / 2,126,687.91-2,933,170.56-1,362,812.55

Finding the Fourth Proportional to 2,126,687.91, 2,933,170.56 and 1,362,812.55

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Solution

The fourth proportional to 2,126,687.91, 2,933,170.56 and 1,362,812.55 is: 1,879,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,687.91 : 2,933,170.56 = 1,362,812.55 : x
  2. Step 2: Convert to fraction form
    2,126,687.91/2,933,170.56 = 1,362,812.55/x
  3. Step 3: Cross multiply
    2,126,687.91x = 2,933,170.56 × 1,362,812.55
  4. Step 4: Simplify right side
    2,126,687.91x = 3,997,361,650,458.53
  5. Step 5: Solve for x
    x = 3,997,361,650,458.53/2,126,687.91
  6. Step 6: Final answer
    x = 1,879,618.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.