Home / 6,207,405.40-9,311,399.70-1,947,712.60

Finding the Fourth Proportional to 6,207,405.40, 9,311,399.70 and 1,947,712.60

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Solution

The fourth proportional to 6,207,405.40, 9,311,399.70 and 1,947,712.60 is: 2,921,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207,405.40 : 9,311,399.70 = 1,947,712.60 : x
  2. Step 2: Convert to fraction form
    6,207,405.40/9,311,399.70 = 1,947,712.60/x
  3. Step 3: Cross multiply
    6,207,405.40x = 9,311,399.70 × 1,947,712.60
  4. Step 4: Simplify right side
    6,207,405.40x = 18,135,930,519,326.22
  5. Step 5: Solve for x
    x = 18,135,930,519,326.22/6,207,405.40
  6. Step 6: Final answer
    x = 2,921,660.40

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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.