Home / 1,887,279.28-2,828,924.70-1,286,751.76

Finding the Fourth Proportional to 1,887,279.28, 2,828,924.70 and 1,286,751.76

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Solution

The fourth proportional to 1,887,279.28, 2,828,924.70 and 1,286,751.76 is: 1,928,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,279.28 : 2,828,924.70 = 1,286,751.76 : x
  2. Step 2: Convert to fraction form
    1,887,279.28/2,828,924.70 = 1,286,751.76/x
  3. Step 3: Cross multiply
    1,887,279.28x = 2,828,924.70 × 1,286,751.76
  4. Step 4: Simplify right side
    1,887,279.28x = 3,640,123,836,632.47
  5. Step 5: Solve for x
    x = 3,640,123,836,632.47/1,887,279.28
  6. Step 6: Final answer
    x = 1,928,767.98

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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.