Home / 3,919,222.56-5,878,834.24-1,223,778.72

Finding the Fourth Proportional to 3,919,222.56, 5,878,834.24 and 1,223,778.72

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Solution

The fourth proportional to 3,919,222.56, 5,878,834.24 and 1,223,778.72 is: 1,835,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,222.56 : 5,878,834.24 = 1,223,778.72 : x
  2. Step 2: Convert to fraction form
    3,919,222.56/5,878,834.24 = 1,223,778.72/x
  3. Step 3: Cross multiply
    3,919,222.56x = 5,878,834.24 × 1,223,778.72
  4. Step 4: Simplify right side
    3,919,222.56x = 7,194,392,241,319.37
  5. Step 5: Solve for x
    x = 7,194,392,241,319.37/3,919,222.56
  6. Step 6: Final answer
    x = 1,835,668.20

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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.