Home / 6,381,777.21-9,572,749.17-2,121,945.43

Finding the Fourth Proportional to 6,381,777.21, 9,572,749.17 and 2,121,945.43

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Solution

The fourth proportional to 6,381,777.21, 9,572,749.17 and 2,121,945.43 is: 3,182,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,777.21 : 9,572,749.17 = 2,121,945.43 : x
  2. Step 2: Convert to fraction form
    6,381,777.21/9,572,749.17 = 2,121,945.43/x
  3. Step 3: Cross multiply
    6,381,777.21x = 9,572,749.17 × 2,121,945.43
  4. Step 4: Simplify right side
    6,381,777.21x = 20,312,851,353,817.79
  5. Step 5: Solve for x
    x = 20,312,851,353,817.79/6,381,777.21
  6. Step 6: Final answer
    x = 3,182,945.86

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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.