Home / 1,784,908.61-2,465,201.91-1,203,128.33

Finding the Fourth Proportional to 1,784,908.61, 2,465,201.91 and 1,203,128.33

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Solution

The fourth proportional to 1,784,908.61, 2,465,201.91 and 1,203,128.33 is: 1,661,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,908.61 : 2,465,201.91 = 1,203,128.33 : x
  2. Step 2: Convert to fraction form
    1,784,908.61/2,465,201.91 = 1,203,128.33/x
  3. Step 3: Cross multiply
    1,784,908.61x = 2,465,201.91 × 1,203,128.33
  4. Step 4: Simplify right side
    1,784,908.61x = 2,965,954,244,765.10
  5. Step 5: Solve for x
    x = 2,965,954,244,765.10/1,784,908.61
  6. Step 6: Final answer
    x = 1,661,684.10

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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.