Home / 6,413,899.56-9,619,646.49-3,218,167.68

Finding the Fourth Proportional to 6,413,899.56, 9,619,646.49 and 3,218,167.68

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Solution

The fourth proportional to 6,413,899.56, 9,619,646.49 and 3,218,167.68 is: 4,826,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413,899.56 : 9,619,646.49 = 3,218,167.68 : x
  2. Step 2: Convert to fraction form
    6,413,899.56/9,619,646.49 = 3,218,167.68/x
  3. Step 3: Cross multiply
    6,413,899.56x = 9,619,646.49 × 3,218,167.68
  4. Step 4: Simplify right side
    6,413,899.56x = 30,957,635,427,143.45
  5. Step 5: Solve for x
    x = 30,957,635,427,143.45/6,413,899.56
  6. Step 6: Final answer
    x = 4,826,647.99

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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.