Home / 1,943,539.20-2,682,065.88-1,072,381.86

Finding the Fourth Proportional to 1,943,539.20, 2,682,065.88 and 1,072,381.86

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Solution

The fourth proportional to 1,943,539.20, 2,682,065.88 and 1,072,381.86 is: 1,479,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,539.20 : 2,682,065.88 = 1,072,381.86 : x
  2. Step 2: Convert to fraction form
    1,943,539.20/2,682,065.88 = 1,072,381.86/x
  3. Step 3: Cross multiply
    1,943,539.20x = 2,682,065.88 × 1,072,381.86
  4. Step 4: Simplify right side
    1,943,539.20x = 2,876,198,797,036.94
  5. Step 5: Solve for x
    x = 2,876,198,797,036.94/1,943,539.20
  6. Step 6: Final answer
    x = 1,479,876.92

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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.