Home / 1,818,987.60-2,728,724.40-620,608.80

Finding the Fourth Proportional to 1,818,987.60, 2,728,724.40 and 620,608.80

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Solution

The fourth proportional to 1,818,987.60, 2,728,724.40 and 620,608.80 is: 930,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,987.60 : 2,728,724.40 = 620,608.80 : x
  2. Step 2: Convert to fraction form
    1,818,987.60/2,728,724.40 = 620,608.80/x
  3. Step 3: Cross multiply
    1,818,987.60x = 2,728,724.40 × 620,608.80
  4. Step 4: Simplify right side
    1,818,987.60x = 1,693,470,375,414.72
  5. Step 5: Solve for x
    x = 1,693,470,375,414.72/1,818,987.60
  6. Step 6: Final answer
    x = 930,996.11

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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.