Home / 2,134,943.64-2,945,931.26-1,275,321.42

Finding the Fourth Proportional to 2,134,943.64, 2,945,931.26 and 1,275,321.42

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Solution

The fourth proportional to 2,134,943.64, 2,945,931.26 and 1,275,321.42 is: 1,759,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,943.64 : 2,945,931.26 = 1,275,321.42 : x
  2. Step 2: Convert to fraction form
    2,134,943.64/2,945,931.26 = 1,275,321.42/x
  3. Step 3: Cross multiply
    2,134,943.64x = 2,945,931.26 × 1,275,321.42
  4. Step 4: Simplify right side
    2,134,943.64x = 3,757,009,231,348.98
  5. Step 5: Solve for x
    x = 3,757,009,231,348.98/2,134,943.64
  6. Step 6: Final answer
    x = 1,759,769.75

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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.