Home / 2,071,159.85-2,856,728.26-1,382,484.49

Finding the Fourth Proportional to 2,071,159.85, 2,856,728.26 and 1,382,484.49

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Solution

The fourth proportional to 2,071,159.85, 2,856,728.26 and 1,382,484.49 is: 1,906,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,159.85 : 2,856,728.26 = 1,382,484.49 : x
  2. Step 2: Convert to fraction form
    2,071,159.85/2,856,728.26 = 1,382,484.49/x
  3. Step 3: Cross multiply
    2,071,159.85x = 2,856,728.26 × 1,382,484.49
  4. Step 4: Simplify right side
    2,071,159.85x = 3,949,382,511,594.69
  5. Step 5: Solve for x
    x = 3,949,382,511,594.69/2,071,159.85
  6. Step 6: Final answer
    x = 1,906,845.82

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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.