Home / 1,996,439.28-2,755,087.36-1,091,021.28

Finding the Fourth Proportional to 1,996,439.28, 2,755,087.36 and 1,091,021.28

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Solution

The fourth proportional to 1,996,439.28, 2,755,087.36 and 1,091,021.28 is: 1,505,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,439.28 : 2,755,087.36 = 1,091,021.28 : x
  2. Step 2: Convert to fraction form
    1,996,439.28/2,755,087.36 = 1,091,021.28/x
  3. Step 3: Cross multiply
    1,996,439.28x = 2,755,087.36 × 1,091,021.28
  4. Step 4: Simplify right side
    1,996,439.28x = 3,005,858,938,019.02
  5. Step 5: Solve for x
    x = 3,005,858,938,019.02/1,996,439.28
  6. Step 6: Final answer
    x = 1,505,610.00

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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.