Home / 2,728,415.56-4,092,996.84-930,816.40

Finding the Fourth Proportional to 2,728,415.56, 4,092,996.84 and 930,816.40

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Solution

The fourth proportional to 2,728,415.56, 4,092,996.84 and 930,816.40 is: 1,396,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,415.56 : 4,092,996.84 = 930,816.40 : x
  2. Step 2: Convert to fraction form
    2,728,415.56/4,092,996.84 = 930,816.40/x
  3. Step 3: Cross multiply
    2,728,415.56x = 4,092,996.84 × 930,816.40
  4. Step 4: Simplify right side
    2,728,415.56x = 3,809,828,583,820.18
  5. Step 5: Solve for x
    x = 3,809,828,583,820.18/2,728,415.56
  6. Step 6: Final answer
    x = 1,396,352.02

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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.