Home / 3,901,382.70-5,383,786-2,158,946.94

Finding the Fourth Proportional to 3,901,382.70, 5,383,786 and 2,158,946.94

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Solution

The fourth proportional to 3,901,382.70, 5,383,786 and 2,158,946.94 is: 2,979,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,382.70 : 5,383,786 = 2,158,946.94 : x
  2. Step 2: Convert to fraction form
    3,901,382.70/5,383,786 = 2,158,946.94/x
  3. Step 3: Cross multiply
    3,901,382.70x = 5,383,786 × 2,158,946.94
  4. Step 4: Simplify right side
    3,901,382.70x = 11,623,308,310,314.84
  5. Step 5: Solve for x
    x = 11,623,308,310,314.84/3,901,382.70
  6. Step 6: Final answer
    x = 2,979,279.20

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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.