Home / 3,826,128.69-5,279,666.87-2,355,803.73

Finding the Fourth Proportional to 3,826,128.69, 5,279,666.87 and 2,355,803.73

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Solution

The fourth proportional to 3,826,128.69, 5,279,666.87 and 2,355,803.73 is: 3,250,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,128.69 : 5,279,666.87 = 2,355,803.73 : x
  2. Step 2: Convert to fraction form
    3,826,128.69/5,279,666.87 = 2,355,803.73/x
  3. Step 3: Cross multiply
    3,826,128.69x = 5,279,666.87 × 2,355,803.73
  4. Step 4: Simplify right side
    3,826,128.69x = 12,437,858,911,392.93
  5. Step 5: Solve for x
    x = 12,437,858,911,392.93/3,826,128.69
  6. Step 6: Final answer
    x = 3,250,768.58

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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.