Home / 5,211,254.88-7,191,532.42-2,888,297.37

Finding the Fourth Proportional to 5,211,254.88, 7,191,532.42 and 2,888,297.37

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Solution

The fourth proportional to 5,211,254.88, 7,191,532.42 and 2,888,297.37 is: 3,985,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,254.88 : 7,191,532.42 = 2,888,297.37 : x
  2. Step 2: Convert to fraction form
    5,211,254.88/7,191,532.42 = 2,888,297.37/x
  3. Step 3: Cross multiply
    5,211,254.88x = 7,191,532.42 × 2,888,297.37
  4. Step 4: Simplify right side
    5,211,254.88x = 20,771,284,167,734.99
  5. Step 5: Solve for x
    x = 20,771,284,167,734.99/5,211,254.88
  6. Step 6: Final answer
    x = 3,985,850.75

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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.