Home / 2,628,830.40-3,943,245.60-1,684,046.40

Finding the Fourth Proportional to 2,628,830.40, 3,943,245.60 and 1,684,046.40

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Solution

The fourth proportional to 2,628,830.40, 3,943,245.60 and 1,684,046.40 is: 2,526,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,830.40 : 3,943,245.60 = 1,684,046.40 : x
  2. Step 2: Convert to fraction form
    2,628,830.40/3,943,245.60 = 1,684,046.40/x
  3. Step 3: Cross multiply
    2,628,830.40x = 3,943,245.60 × 1,684,046.40
  4. Step 4: Simplify right side
    2,628,830.40x = 6,640,608,556,995.84
  5. Step 5: Solve for x
    x = 6,640,608,556,995.84/2,628,830.40
  6. Step 6: Final answer
    x = 2,526,069.60

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Similar ratio
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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.