Home / 7,270,217.40-10,905,326.10-3,481,750.20

Finding the Fourth Proportional to 7,270,217.40, 10,905,326.10 and 3,481,750.20

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Solution

The fourth proportional to 7,270,217.40, 10,905,326.10 and 3,481,750.20 is: 5,222,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270,217.40 : 10,905,326.10 = 3,481,750.20 : x
  2. Step 2: Convert to fraction form
    7,270,217.40/10,905,326.10 = 3,481,750.20/x
  3. Step 3: Cross multiply
    7,270,217.40x = 10,905,326.10 × 3,481,750.20
  4. Step 4: Simplify right side
    7,270,217.40x = 37,969,621,329,740.22
  5. Step 5: Solve for x
    x = 37,969,621,329,740.22/7,270,217.40
  6. Step 6: Final answer
    x = 5,222,625.30

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Similar ratio
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1.5x scale

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.