Home / 3,218,857.80-4,828,286.70-2,021,621.10

Finding the Fourth Proportional to 3,218,857.80, 4,828,286.70 and 2,021,621.10

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Solution

The fourth proportional to 3,218,857.80, 4,828,286.70 and 2,021,621.10 is: 3,032,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,857.80 : 4,828,286.70 = 2,021,621.10 : x
  2. Step 2: Convert to fraction form
    3,218,857.80/4,828,286.70 = 2,021,621.10/x
  3. Step 3: Cross multiply
    3,218,857.80x = 4,828,286.70 × 2,021,621.10
  4. Step 4: Simplify right side
    3,218,857.80x = 9,760,966,269,569.37
  5. Step 5: Solve for x
    x = 9,760,966,269,569.37/3,218,857.80
  6. Step 6: Final answer
    x = 3,032,431.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.