Home / 5,248,048.82-7,872,197.78-1,409,876.12

Finding the Fourth Proportional to 5,248,048.82, 7,872,197.78 and 1,409,876.12

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Solution

The fourth proportional to 5,248,048.82, 7,872,197.78 and 1,409,876.12 is: 2,114,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248,048.82 : 7,872,197.78 = 1,409,876.12 : x
  2. Step 2: Convert to fraction form
    5,248,048.82/7,872,197.78 = 1,409,876.12/x
  3. Step 3: Cross multiply
    5,248,048.82x = 7,872,197.78 × 1,409,876.12
  4. Step 4: Simplify right side
    5,248,048.82x = 11,098,823,685,144.20
  5. Step 5: Solve for x
    x = 11,098,823,685,144.20/5,248,048.82
  6. Step 6: Final answer
    x = 2,114,847.65

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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.