Home / 2,071,156.81-2,856,724.10-1,382,481.44

Finding the Fourth Proportional to 2,071,156.81, 2,856,724.10 and 1,382,481.44

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Solution

The fourth proportional to 2,071,156.81, 2,856,724.10 and 1,382,481.44 is: 1,906,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,156.81 : 2,856,724.10 = 1,382,481.44 : x
  2. Step 2: Convert to fraction form
    2,071,156.81/2,856,724.10 = 1,382,481.44/x
  3. Step 3: Cross multiply
    2,071,156.81x = 2,856,724.10 × 1,382,481.44
  4. Step 4: Simplify right side
    2,071,156.81x = 3,949,368,050,906.91
  5. Step 5: Solve for x
    x = 3,949,368,050,906.91/2,071,156.81
  6. Step 6: Final answer
    x = 1,906,841.65

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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.