Home / 1,761,796.40-2,648,224.20-1,728,618.80

Finding the Fourth Proportional to 1,761,796.40, 2,648,224.20 and 1,728,618.80

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Solution

The fourth proportional to 1,761,796.40, 2,648,224.20 and 1,728,618.80 is: 2,598,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,796.40 : 2,648,224.20 = 1,728,618.80 : x
  2. Step 2: Convert to fraction form
    1,761,796.40/2,648,224.20 = 1,728,618.80/x
  3. Step 3: Cross multiply
    1,761,796.40x = 2,648,224.20 × 1,728,618.80
  4. Step 4: Simplify right side
    1,761,796.40x = 4,577,770,138,734.96
  5. Step 5: Solve for x
    x = 4,577,770,138,734.96/1,761,796.40
  6. Step 6: Final answer
    x = 2,598,353.67

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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.