Home / 2,138,190.96-2,949,585.03-1,322,133.78

Finding the Fourth Proportional to 2,138,190.96, 2,949,585.03 and 1,322,133.78

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Solution

The fourth proportional to 2,138,190.96, 2,949,585.03 and 1,322,133.78 is: 1,823,853.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,190.96 : 2,949,585.03 = 1,322,133.78 : x
  2. Step 2: Convert to fraction form
    2,138,190.96/2,949,585.03 = 1,322,133.78/x
  3. Step 3: Cross multiply
    2,138,190.96x = 2,949,585.03 × 1,322,133.78
  4. Step 4: Simplify right side
    2,138,190.96x = 3,899,746,005,145.31
  5. Step 5: Solve for x
    x = 3,899,746,005,145.31/2,138,190.96
  6. Step 6: Final answer
    x = 1,823,853.00

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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.