Home / 1,932,889.20-2,668,721.52-1,208,062.80

Finding the Fourth Proportional to 1,932,889.20, 2,668,721.52 and 1,208,062.80

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Solution

The fourth proportional to 1,932,889.20, 2,668,721.52 and 1,208,062.80 is: 1,667,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,889.20 : 2,668,721.52 = 1,208,062.80 : x
  2. Step 2: Convert to fraction form
    1,932,889.20/2,668,721.52 = 1,208,062.80/x
  3. Step 3: Cross multiply
    1,932,889.20x = 2,668,721.52 × 1,208,062.80
  4. Step 4: Simplify right side
    1,932,889.20x = 3,223,983,191,871.46
  5. Step 5: Solve for x
    x = 3,223,983,191,871.46/1,932,889.20
  6. Step 6: Final answer
    x = 1,667,960.68

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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.