Home / 3,991,061.40-5,507,669.84-2,272,181.84

Finding the Fourth Proportional to 3,991,061.40, 5,507,669.84 and 2,272,181.84

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Solution

The fourth proportional to 3,991,061.40, 5,507,669.84 and 2,272,181.84 is: 3,135,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,061.40 : 5,507,669.84 = 2,272,181.84 : x
  2. Step 2: Convert to fraction form
    3,991,061.40/5,507,669.84 = 2,272,181.84/x
  3. Step 3: Cross multiply
    3,991,061.40x = 5,507,669.84 × 2,272,181.84
  4. Step 4: Simplify right side
    3,991,061.40x = 12,514,427,391,163.71
  5. Step 5: Solve for x
    x = 12,514,427,391,163.71/3,991,061.40
  6. Step 6: Final answer
    x = 3,135,613.85

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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.