Home / 2,132,588.64-2,942,972.46-1,165,722.78

Finding the Fourth Proportional to 2,132,588.64, 2,942,972.46 and 1,165,722.78

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Solution

The fourth proportional to 2,132,588.64, 2,942,972.46 and 1,165,722.78 is: 1,608,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,588.64 : 2,942,972.46 = 1,165,722.78 : x
  2. Step 2: Convert to fraction form
    2,132,588.64/2,942,972.46 = 1,165,722.78/x
  3. Step 3: Cross multiply
    2,132,588.64x = 2,942,972.46 × 1,165,722.78
  4. Step 4: Simplify right side
    2,132,588.64x = 3,430,690,037,534.64
  5. Step 5: Solve for x
    x = 3,430,690,037,534.64/2,132,588.64
  6. Step 6: Final answer
    x = 1,608,697.51

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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.