Home / 3,889,927.86-5,363,110.08-3,189,628.86

Finding the Fourth Proportional to 3,889,927.86, 5,363,110.08 and 3,189,628.86

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Solution

The fourth proportional to 3,889,927.86, 5,363,110.08 and 3,189,628.86 is: 4,397,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,927.86 : 5,363,110.08 = 3,189,628.86 : x
  2. Step 2: Convert to fraction form
    3,889,927.86/5,363,110.08 = 3,189,628.86/x
  3. Step 3: Cross multiply
    3,889,927.86x = 5,363,110.08 × 3,189,628.86
  4. Step 4: Simplify right side
    3,889,927.86x = 17,106,330,690,524.91
  5. Step 5: Solve for x
    x = 17,106,330,690,524.91/3,889,927.86
  6. Step 6: Final answer
    x = 4,397,595.87

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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.