Home / 2,158,340.13-2,978,563.54-1,227,996.59

Finding the Fourth Proportional to 2,158,340.13, 2,978,563.54 and 1,227,996.59

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Solution

The fourth proportional to 2,158,340.13, 2,978,563.54 and 1,227,996.59 is: 1,694,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,340.13 : 2,978,563.54 = 1,227,996.59 : x
  2. Step 2: Convert to fraction form
    2,158,340.13/2,978,563.54 = 1,227,996.59/x
  3. Step 3: Cross multiply
    2,158,340.13x = 2,978,563.54 × 1,227,996.59
  4. Step 4: Simplify right side
    2,158,340.13x = 3,657,665,874,508.97
  5. Step 5: Solve for x
    x = 3,657,665,874,508.97/2,158,340.13
  6. Step 6: Final answer
    x = 1,694,666.11

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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.