Home / 3,189,679.86-4,401,864.54-1,739,454.69

Finding the Fourth Proportional to 3,189,679.86, 4,401,864.54 and 1,739,454.69

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Solution

The fourth proportional to 3,189,679.86, 4,401,864.54 and 1,739,454.69 is: 2,400,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,679.86 : 4,401,864.54 = 1,739,454.69 : x
  2. Step 2: Convert to fraction form
    3,189,679.86/4,401,864.54 = 1,739,454.69/x
  3. Step 3: Cross multiply
    3,189,679.86x = 4,401,864.54 × 1,739,454.69
  4. Step 4: Simplify right side
    3,189,679.86x = 7,656,843,918,847.69
  5. Step 5: Solve for x
    x = 7,656,843,918,847.69/3,189,679.86
  6. Step 6: Final answer
    x = 2,400,505.46

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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.