Home / 5,214,759.20-7,823,499.60-2,019,989.60

Finding the Fourth Proportional to 5,214,759.20, 7,823,499.60 and 2,019,989.60

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Solution

The fourth proportional to 5,214,759.20, 7,823,499.60 and 2,019,989.60 is: 3,030,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,759.20 : 7,823,499.60 = 2,019,989.60 : x
  2. Step 2: Convert to fraction form
    5,214,759.20/7,823,499.60 = 2,019,989.60/x
  3. Step 3: Cross multiply
    5,214,759.20x = 7,823,499.60 × 2,019,989.60
  4. Step 4: Simplify right side
    5,214,759.20x = 15,803,387,827,604.16
  5. Step 5: Solve for x
    x = 15,803,387,827,604.16/5,214,759.20
  6. Step 6: Final answer
    x = 3,030,511.52

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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.