Home / 6,329,311-8,734,441.29-3,428,713.87

Finding the Fourth Proportional to 6,329,311, 8,734,441.29 and 3,428,713.87

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Solution

The fourth proportional to 6,329,311, 8,734,441.29 and 3,428,713.87 is: 4,731,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329,311 : 8,734,441.29 = 3,428,713.87 : x
  2. Step 2: Convert to fraction form
    6,329,311/8,734,441.29 = 3,428,713.87/x
  3. Step 3: Cross multiply
    6,329,311x = 8,734,441.29 × 3,428,713.87
  4. Step 4: Simplify right side
    6,329,311x = 29,947,899,997,723.69
  5. Step 5: Solve for x
    x = 29,947,899,997,723.69/6,329,311
  6. Step 6: Final answer
    x = 4,731,620.87

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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.