Home / 4,311,330.40-6,469,328.40-1,787,240.80

Finding the Fourth Proportional to 4,311,330.40, 6,469,328.40 and 1,787,240.80

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Solution

The fourth proportional to 4,311,330.40, 6,469,328.40 and 1,787,240.80 is: 2,681,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311,330.40 : 6,469,328.40 = 1,787,240.80 : x
  2. Step 2: Convert to fraction form
    4,311,330.40/6,469,328.40 = 1,787,240.80/x
  3. Step 3: Cross multiply
    4,311,330.40x = 6,469,328.40 × 1,787,240.80
  4. Step 4: Simplify right side
    4,311,330.40x = 11,562,247,665,078.72
  5. Step 5: Solve for x
    x = 11,562,247,665,078.72/4,311,330.40
  6. Step 6: Final answer
    x = 2,681,828.25

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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.