Home / 3,231,511.97-4,459,283.75-1,781,127.59

Finding the Fourth Proportional to 3,231,511.97, 4,459,283.75 and 1,781,127.59

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Solution

The fourth proportional to 3,231,511.97, 4,459,283.75 and 1,781,127.59 is: 2,457,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231,511.97 : 4,459,283.75 = 1,781,127.59 : x
  2. Step 2: Convert to fraction form
    3,231,511.97/4,459,283.75 = 1,781,127.59/x
  3. Step 3: Cross multiply
    3,231,511.97x = 4,459,283.75 × 1,781,127.59
  4. Step 4: Simplify right side
    3,231,511.97x = 7,942,553,300,920.06
  5. Step 5: Solve for x
    x = 7,942,553,300,920.06/3,231,511.97
  6. Step 6: Final answer
    x = 2,457,844.31

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Double scale
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1.5x scale

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.