Home / 3,391,021.55-4,679,338.25-1,940,384.45

Finding the Fourth Proportional to 3,391,021.55, 4,679,338.25 and 1,940,384.45

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Solution

The fourth proportional to 3,391,021.55, 4,679,338.25 and 1,940,384.45 is: 2,677,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,021.55 : 4,679,338.25 = 1,940,384.45 : x
  2. Step 2: Convert to fraction form
    3,391,021.55/4,679,338.25 = 1,940,384.45/x
  3. Step 3: Cross multiply
    3,391,021.55x = 4,679,338.25 × 1,940,384.45
  4. Step 4: Simplify right side
    3,391,021.55x = 9,079,715,143,491.60
  5. Step 5: Solve for x
    x = 9,079,715,143,491.60/3,391,021.55
  6. Step 6: Final answer
    x = 2,677,575.19

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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.