Home / 6,685,221.20-9,225,605.16-3,629,435.45

Finding the Fourth Proportional to 6,685,221.20, 9,225,605.16 and 3,629,435.45

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Solution

The fourth proportional to 6,685,221.20, 9,225,605.16 and 3,629,435.45 is: 5,008,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685,221.20 : 9,225,605.16 = 3,629,435.45 : x
  2. Step 2: Convert to fraction form
    6,685,221.20/9,225,605.16 = 3,629,435.45/x
  3. Step 3: Cross multiply
    6,685,221.20x = 9,225,605.16 × 3,629,435.45
  4. Step 4: Simplify right side
    6,685,221.20x = 33,483,738,369,278.89
  5. Step 5: Solve for x
    x = 33,483,738,369,278.89/6,685,221.20
  6. Step 6: Final answer
    x = 5,008,620.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.