Home / 3,477,391.78-5,217,321.75-1,558,152.10

Finding the Fourth Proportional to 3,477,391.78, 5,217,321.75 and 1,558,152.10

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Solution

The fourth proportional to 3,477,391.78, 5,217,321.75 and 1,558,152.10 is: 2,337,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,391.78 : 5,217,321.75 = 1,558,152.10 : x
  2. Step 2: Convert to fraction form
    3,477,391.78/5,217,321.75 = 1,558,152.10/x
  3. Step 3: Cross multiply
    3,477,391.78x = 5,217,321.75 × 1,558,152.10
  4. Step 4: Simplify right side
    3,477,391.78x = 8,129,380,841,138.18
  5. Step 5: Solve for x
    x = 8,129,380,841,138.18/3,477,391.78
  6. Step 6: Final answer
    x = 2,337,781.12

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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.