Home / 2,379,024.34-3,282,965.72-1,291,272.80

Finding the Fourth Proportional to 2,379,024.34, 3,282,965.72 and 1,291,272.80

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Solution

The fourth proportional to 2,379,024.34, 3,282,965.72 and 1,291,272.80 is: 1,781,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,024.34 : 3,282,965.72 = 1,291,272.80 : x
  2. Step 2: Convert to fraction form
    2,379,024.34/3,282,965.72 = 1,291,272.80/x
  3. Step 3: Cross multiply
    2,379,024.34x = 3,282,965.72 × 1,291,272.80
  4. Step 4: Simplify right side
    2,379,024.34x = 4,239,204,337,568.42
  5. Step 5: Solve for x
    x = 4,239,204,337,568.42/2,379,024.34
  6. Step 6: Final answer
    x = 1,781,908.77

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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.