Home / 3,652,421.85-5,039,396.37-2,181,728.61

Finding the Fourth Proportional to 3,652,421.85, 5,039,396.37 and 2,181,728.61

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Solution

The fourth proportional to 3,652,421.85, 5,039,396.37 and 2,181,728.61 is: 3,010,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652,421.85 : 5,039,396.37 = 2,181,728.61 : x
  2. Step 2: Convert to fraction form
    3,652,421.85/5,039,396.37 = 2,181,728.61/x
  3. Step 3: Cross multiply
    3,652,421.85x = 5,039,396.37 × 2,181,728.61
  4. Step 4: Simplify right side
    3,652,421.85x = 10,994,595,237,559.14
  5. Step 5: Solve for x
    x = 10,994,595,237,559.14/3,652,421.85
  6. Step 6: Final answer
    x = 3,010,220.53

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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.