Home / 1,972,999.38-2,724,579.06-1,452,187.20

Finding the Fourth Proportional to 1,972,999.38, 2,724,579.06 and 1,452,187.20

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Solution

The fourth proportional to 1,972,999.38, 2,724,579.06 and 1,452,187.20 is: 2,005,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,999.38 : 2,724,579.06 = 1,452,187.20 : x
  2. Step 2: Convert to fraction form
    1,972,999.38/2,724,579.06 = 1,452,187.20/x
  3. Step 3: Cross multiply
    1,972,999.38x = 2,724,579.06 × 1,452,187.20
  4. Step 4: Simplify right side
    1,972,999.38x = 3,956,598,836,320.03
  5. Step 5: Solve for x
    x = 3,956,598,836,320.03/1,972,999.38
  6. Step 6: Final answer
    x = 2,005,372.57

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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.