Home / 2,133,785.61-2,947,939.73-1,789,087.09

Finding the Fourth Proportional to 2,133,785.61, 2,947,939.73 and 1,789,087.09

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Solution

The fourth proportional to 2,133,785.61, 2,947,939.73 and 1,789,087.09 is: 2,471,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,785.61 : 2,947,939.73 = 1,789,087.09 : x
  2. Step 2: Convert to fraction form
    2,133,785.61/2,947,939.73 = 1,789,087.09/x
  3. Step 3: Cross multiply
    2,133,785.61x = 2,947,939.73 × 1,789,087.09
  4. Step 4: Simplify right side
    2,133,785.61x = 5,274,120,913,041.09
  5. Step 5: Solve for x
    x = 5,274,120,913,041.09/2,133,785.61
  6. Step 6: Final answer
    x = 2,471,720.16

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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.