Home / 6,820,218.36-9,410,496.33-3,919,048.72

Finding the Fourth Proportional to 6,820,218.36, 9,410,496.33 and 3,919,048.72

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Solution

The fourth proportional to 6,820,218.36, 9,410,496.33 and 3,919,048.72 is: 5,407,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820,218.36 : 9,410,496.33 = 3,919,048.72 : x
  2. Step 2: Convert to fraction form
    6,820,218.36/9,410,496.33 = 3,919,048.72/x
  3. Step 3: Cross multiply
    6,820,218.36x = 9,410,496.33 × 3,919,048.72
  4. Step 4: Simplify right side
    6,820,218.36x = 36,880,193,629,975.06
  5. Step 5: Solve for x
    x = 36,880,193,629,975.06/6,820,218.36
  6. Step 6: Final answer
    x = 5,407,479.89

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1.5x scale

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.