Home / 5,500,993.35-8,249,621.46-1,905,921.18

Finding the Fourth Proportional to 5,500,993.35, 8,249,621.46 and 1,905,921.18

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Solution

The fourth proportional to 5,500,993.35, 8,249,621.46 and 1,905,921.18 is: 2,858,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500,993.35 : 8,249,621.46 = 1,905,921.18 : x
  2. Step 2: Convert to fraction form
    5,500,993.35/8,249,621.46 = 1,905,921.18/x
  3. Step 3: Cross multiply
    5,500,993.35x = 8,249,621.46 × 1,905,921.18
  4. Step 4: Simplify right side
    5,500,993.35x = 15,723,128,267,596.52
  5. Step 5: Solve for x
    x = 15,723,128,267,596.52/5,500,993.35
  6. Step 6: Final answer
    x = 2,858,234.37

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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.