Home / 2,728,907.20-4,093,360.80-1,878,601.60

Finding the Fourth Proportional to 2,728,907.20, 4,093,360.80 and 1,878,601.60

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Solution

The fourth proportional to 2,728,907.20, 4,093,360.80 and 1,878,601.60 is: 2,817,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,907.20 : 4,093,360.80 = 1,878,601.60 : x
  2. Step 2: Convert to fraction form
    2,728,907.20/4,093,360.80 = 1,878,601.60/x
  3. Step 3: Cross multiply
    2,728,907.20x = 4,093,360.80 × 1,878,601.60
  4. Step 4: Simplify right side
    2,728,907.20x = 7,689,794,148,257.28
  5. Step 5: Solve for x
    x = 7,689,794,148,257.28/2,728,907.20
  6. Step 6: Final answer
    x = 2,817,902.40

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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.