Home / 1,586,179.66-2,188,930.71-861,027.87

Finding the Fourth Proportional to 1,586,179.66, 2,188,930.71 and 861,027.87

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Solution

The fourth proportional to 1,586,179.66, 2,188,930.71 and 861,027.87 is: 1,188,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,179.66 : 2,188,930.71 = 861,027.87 : x
  2. Step 2: Convert to fraction form
    1,586,179.66/2,188,930.71 = 861,027.87/x
  3. Step 3: Cross multiply
    1,586,179.66x = 2,188,930.71 × 861,027.87
  4. Step 4: Simplify right side
    1,586,179.66x = 1,884,730,346,808.89
  5. Step 5: Solve for x
    x = 1,884,730,346,808.89/1,586,179.66
  6. Step 6: Final answer
    x = 1,188,219.97

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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.