Home / 5,120,824.71-7,067,226.98-2,798,070.44

Finding the Fourth Proportional to 5,120,824.71, 7,067,226.98 and 2,798,070.44

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Solution

The fourth proportional to 5,120,824.71, 7,067,226.98 and 2,798,070.44 is: 3,861,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,824.71 : 7,067,226.98 = 2,798,070.44 : x
  2. Step 2: Convert to fraction form
    5,120,824.71/7,067,226.98 = 2,798,070.44/x
  3. Step 3: Cross multiply
    5,120,824.71x = 7,067,226.98 × 2,798,070.44
  4. Step 4: Simplify right side
    5,120,824.71x = 19,774,598,930,171.71
  5. Step 5: Solve for x
    x = 19,774,598,930,171.71/5,120,824.71
  6. Step 6: Final answer
    x = 3,861,604.34

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Double scale
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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.