Home / 2,071,146.66-2,856,710.07-1,382,471.30

Finding the Fourth Proportional to 2,071,146.66, 2,856,710.07 and 1,382,471.30

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Solution

The fourth proportional to 2,071,146.66, 2,856,710.07 and 1,382,471.30 is: 1,906,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,146.66 : 2,856,710.07 = 1,382,471.30 : x
  2. Step 2: Convert to fraction form
    2,071,146.66/2,856,710.07 = 1,382,471.30/x
  3. Step 3: Cross multiply
    2,071,146.66x = 2,856,710.07 × 1,382,471.30
  4. Step 4: Simplify right side
    2,071,146.66x = 3,949,319,669,912.44
  5. Step 5: Solve for x
    x = 3,949,319,669,912.44/2,071,146.66
  6. Step 6: Final answer
    x = 1,906,827.63

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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.