Home / 5,322,830.80-7,985,412.60-2,628,446.80

Finding the Fourth Proportional to 5,322,830.80, 7,985,412.60 and 2,628,446.80

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Solution

The fourth proportional to 5,322,830.80, 7,985,412.60 and 2,628,446.80 is: 3,943,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322,830.80 : 7,985,412.60 = 2,628,446.80 : x
  2. Step 2: Convert to fraction form
    5,322,830.80/7,985,412.60 = 2,628,446.80/x
  3. Step 3: Cross multiply
    5,322,830.80x = 7,985,412.60 × 2,628,446.80
  4. Step 4: Simplify right side
    5,322,830.80x = 20,989,232,195,149.68
  5. Step 5: Solve for x
    x = 20,989,232,195,149.68/5,322,830.80
  6. Step 6: Final answer
    x = 3,943,246.18

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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.