Home / 3,139,889.92-4,333,723.42-1,915,933.24

Finding the Fourth Proportional to 3,139,889.92, 4,333,723.42 and 1,915,933.24

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Solution

The fourth proportional to 3,139,889.92, 4,333,723.42 and 1,915,933.24 is: 2,644,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,889.92 : 4,333,723.42 = 1,915,933.24 : x
  2. Step 2: Convert to fraction form
    3,139,889.92/4,333,723.42 = 1,915,933.24/x
  3. Step 3: Cross multiply
    3,139,889.92x = 4,333,723.42 × 1,915,933.24
  4. Step 4: Simplify right side
    3,139,889.92x = 8,303,124,753,344.48
  5. Step 5: Solve for x
    x = 8,303,124,753,344.48/3,139,889.92
  6. Step 6: Final answer
    x = 2,644,399.95

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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.