Home / 2,071,170.77-2,856,743.30-1,382,495.40

Finding the Fourth Proportional to 2,071,170.77, 2,856,743.30 and 1,382,495.40

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Solution

The fourth proportional to 2,071,170.77, 2,856,743.30 and 1,382,495.40 is: 1,906,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,170.77 : 2,856,743.30 = 1,382,495.40 : x
  2. Step 2: Convert to fraction form
    2,071,170.77/2,856,743.30 = 1,382,495.40/x
  3. Step 3: Cross multiply
    2,071,170.77x = 2,856,743.30 × 1,382,495.40
  4. Step 4: Simplify right side
    2,071,170.77x = 3,949,434,464,318.34
  5. Step 5: Solve for x
    x = 3,949,434,464,318.34/2,071,170.77
  6. Step 6: Final answer
    x = 1,906,860.86

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Double scale
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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.