Home / 1,867,832.98-2,786,272.46-1,812,769.78

Finding the Fourth Proportional to 1,867,832.98, 2,786,272.46 and 1,812,769.78

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Solution

The fourth proportional to 1,867,832.98, 2,786,272.46 and 1,812,769.78 is: 2,704,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,832.98 : 2,786,272.46 = 1,812,769.78 : x
  2. Step 2: Convert to fraction form
    1,867,832.98/2,786,272.46 = 1,812,769.78/x
  3. Step 3: Cross multiply
    1,867,832.98x = 2,786,272.46 × 1,812,769.78
  4. Step 4: Simplify right side
    1,867,832.98x = 5,050,870,514,334.26
  5. Step 5: Solve for x
    x = 5,050,870,514,334.26/1,867,832.98
  6. Step 6: Final answer
    x = 2,704,133.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.