Home / 1,927,153.30-2,889,563.55-861,996.82

Finding the Fourth Proportional to 1,927,153.30, 2,889,563.55 and 861,996.82

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Solution

The fourth proportional to 1,927,153.30, 2,889,563.55 and 861,996.82 is: 1,292,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,153.30 : 2,889,563.55 = 861,996.82 : x
  2. Step 2: Convert to fraction form
    1,927,153.30/2,889,563.55 = 861,996.82/x
  3. Step 3: Cross multiply
    1,927,153.30x = 2,889,563.55 × 861,996.82
  4. Step 4: Simplify right side
    1,927,153.30x = 2,490,794,591,287.91
  5. Step 5: Solve for x
    x = 2,490,794,591,287.91/1,927,153.30
  6. Step 6: Final answer
    x = 1,292,473.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.