Home / 5,509,475.78-8,259,480.54-1,914,775.70

Finding the Fourth Proportional to 5,509,475.78, 8,259,480.54 and 1,914,775.70

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Solution

The fourth proportional to 5,509,475.78, 8,259,480.54 and 1,914,775.70 is: 2,870,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,475.78 : 8,259,480.54 = 1,914,775.70 : x
  2. Step 2: Convert to fraction form
    5,509,475.78/8,259,480.54 = 1,914,775.70/x
  3. Step 3: Cross multiply
    5,509,475.78x = 8,259,480.54 × 1,914,775.70
  4. Step 4: Simplify right side
    5,509,475.78x = 15,815,052,632,614.88
  5. Step 5: Solve for x
    x = 15,815,052,632,614.88/5,509,475.78
  6. Step 6: Final answer
    x = 2,870,518.59

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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.