Home / 6,320,328.42-8,721,991.13-3,419,655.65

Finding the Fourth Proportional to 6,320,328.42, 8,721,991.13 and 3,419,655.65

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Solution

The fourth proportional to 6,320,328.42, 8,721,991.13 and 3,419,655.65 is: 4,719,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,328.42 : 8,721,991.13 = 3,419,655.65 : x
  2. Step 2: Convert to fraction form
    6,320,328.42/8,721,991.13 = 3,419,655.65/x
  3. Step 3: Cross multiply
    6,320,328.42x = 8,721,991.13 × 3,419,655.65
  4. Step 4: Simplify right side
    6,320,328.42x = 29,826,206,186,246.15
  5. Step 5: Solve for x
    x = 29,826,206,186,246.15/6,320,328.42
  6. Step 6: Final answer
    x = 4,719,091.19

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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.