Home / 3,820,648.48-5,272,631.64-2,189,370.84

Finding the Fourth Proportional to 3,820,648.48, 5,272,631.64 and 2,189,370.84

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Solution

The fourth proportional to 3,820,648.48, 5,272,631.64 and 2,189,370.84 is: 3,021,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,648.48 : 5,272,631.64 = 2,189,370.84 : x
  2. Step 2: Convert to fraction form
    3,820,648.48/5,272,631.64 = 2,189,370.84/x
  3. Step 3: Cross multiply
    3,820,648.48x = 5,272,631.64 × 2,189,370.84
  4. Step 4: Simplify right side
    3,820,648.48x = 11,543,745,962,677.38
  5. Step 5: Solve for x
    x = 11,543,745,962,677.38/3,820,648.48
  6. Step 6: Final answer
    x = 3,021,410.11

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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.