Home / 1,940,439.42-2,911,062.33-818,518.14

Finding the Fourth Proportional to 1,940,439.42, 2,911,062.33 and 818,518.14

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Solution

The fourth proportional to 1,940,439.42, 2,911,062.33 and 818,518.14 is: 1,227,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,439.42 : 2,911,062.33 = 818,518.14 : x
  2. Step 2: Convert to fraction form
    1,940,439.42/2,911,062.33 = 818,518.14/x
  3. Step 3: Cross multiply
    1,940,439.42x = 2,911,062.33 × 818,518.14
  4. Step 4: Simplify right side
    1,940,439.42x = 2,382,757,323,775.67
  5. Step 5: Solve for x
    x = 2,382,757,323,775.67/1,940,439.42
  6. Step 6: Final answer
    x = 1,227,947.29

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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.