Home / 1,933,819.38-2,668,514.31-1,118,075.40

Finding the Fourth Proportional to 1,933,819.38, 2,668,514.31 and 1,118,075.40

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Solution

The fourth proportional to 1,933,819.38, 2,668,514.31 and 1,118,075.40 is: 1,542,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,819.38 : 2,668,514.31 = 1,118,075.40 : x
  2. Step 2: Convert to fraction form
    1,933,819.38/2,668,514.31 = 1,118,075.40/x
  3. Step 3: Cross multiply
    1,933,819.38x = 2,668,514.31 × 1,118,075.40
  4. Step 4: Simplify right side
    1,933,819.38x = 2,983,600,204,558.97
  5. Step 5: Solve for x
    x = 2,983,600,204,558.97/1,933,819.38
  6. Step 6: Final answer
    x = 1,542,853.61

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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.