Home / 3,855,918.40-5,778,194.11-2,147,710.11

Finding the Fourth Proportional to 3,855,918.40, 5,778,194.11 and 2,147,710.11

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Solution

The fourth proportional to 3,855,918.40, 5,778,194.11 and 2,147,710.11 is: 3,218,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,918.40 : 5,778,194.11 = 2,147,710.11 : x
  2. Step 2: Convert to fraction form
    3,855,918.40/5,778,194.11 = 2,147,710.11/x
  3. Step 3: Cross multiply
    3,855,918.40x = 5,778,194.11 × 2,147,710.11
  4. Step 4: Simplify right side
    3,855,918.40x = 12,409,885,892,632.82
  5. Step 5: Solve for x
    x = 12,409,885,892,632.82/3,855,918.40
  6. Step 6: Final answer
    x = 3,218,399.51

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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.