Home / 3,311,940.19-4,965,875.79-1,287,824.71

Finding the Fourth Proportional to 3,311,940.19, 4,965,875.79 and 1,287,824.71

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Solution

The fourth proportional to 3,311,940.19, 4,965,875.79 and 1,287,824.71 is: 1,930,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311,940.19 : 4,965,875.79 = 1,287,824.71 : x
  2. Step 2: Convert to fraction form
    3,311,940.19/4,965,875.79 = 1,287,824.71/x
  3. Step 3: Cross multiply
    3,311,940.19x = 4,965,875.79 × 1,287,824.71
  4. Step 4: Simplify right side
    3,311,940.19x = 6,395,177,549,152.77
  5. Step 5: Solve for x
    x = 6,395,177,549,152.77/3,311,940.19
  6. Step 6: Final answer
    x = 1,930,945.97

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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.