Home / 2,233,288.40-3,081,786.36-1,214,671.28

Finding the Fourth Proportional to 2,233,288.40, 3,081,786.36 and 1,214,671.28

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Solution

The fourth proportional to 2,233,288.40, 3,081,786.36 and 1,214,671.28 is: 1,676,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233,288.40 : 3,081,786.36 = 1,214,671.28 : x
  2. Step 2: Convert to fraction form
    2,233,288.40/3,081,786.36 = 1,214,671.28/x
  3. Step 3: Cross multiply
    2,233,288.40x = 3,081,786.36 × 1,214,671.28
  4. Step 4: Simplify right side
    2,233,288.40x = 3,743,357,382,587.74
  5. Step 5: Solve for x
    x = 3,743,357,382,587.74/2,233,288.40
  6. Step 6: Final answer
    x = 1,676,163.89

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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.