Home / 3,210,174.84-4,815,431.54-814,040.16

Finding the Fourth Proportional to 3,210,174.84, 4,815,431.54 and 814,040.16

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Solution

The fourth proportional to 3,210,174.84, 4,815,431.54 and 814,040.16 is: 1,221,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,174.84 : 4,815,431.54 = 814,040.16 : x
  2. Step 2: Convert to fraction form
    3,210,174.84/4,815,431.54 = 814,040.16/x
  3. Step 3: Cross multiply
    3,210,174.84x = 4,815,431.54 × 814,040.16
  4. Step 4: Simplify right side
    3,210,174.84x = 3,919,954,661,290.65
  5. Step 5: Solve for x
    x = 3,919,954,661,290.65/3,210,174.84
  6. Step 6: Final answer
    x = 1,221,103.17

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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.