Home / 5,234,721.21-7,223,926.55-2,942,900.73

Finding the Fourth Proportional to 5,234,721.21, 7,223,926.55 and 2,942,900.73

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Solution

The fourth proportional to 5,234,721.21, 7,223,926.55 and 2,942,900.73 is: 4,061,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234,721.21 : 7,223,926.55 = 2,942,900.73 : x
  2. Step 2: Convert to fraction form
    5,234,721.21/7,223,926.55 = 2,942,900.73/x
  3. Step 3: Cross multiply
    5,234,721.21x = 7,223,926.55 × 2,942,900.73
  4. Step 4: Simplify right side
    5,234,721.21x = 21,259,298,702,746.88
  5. Step 5: Solve for x
    x = 21,259,298,702,746.88/5,234,721.21
  6. Step 6: Final answer
    x = 4,061,209.35

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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.