Home / 3,208,709.48-4,809,825.32-2,011,472.78

Finding the Fourth Proportional to 3,208,709.48, 4,809,825.32 and 2,011,472.78

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Solution

The fourth proportional to 3,208,709.48, 4,809,825.32 and 2,011,472.78 is: 3,015,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,709.48 : 4,809,825.32 = 2,011,472.78 : x
  2. Step 2: Convert to fraction form
    3,208,709.48/4,809,825.32 = 2,011,472.78/x
  3. Step 3: Cross multiply
    3,208,709.48x = 4,809,825.32 × 2,011,472.78
  4. Step 4: Simplify right side
    3,208,709.48x = 9,674,832,707,734.79
  5. Step 5: Solve for x
    x = 9,674,832,707,734.79/3,208,709.48
  6. Step 6: Final answer
    x = 3,015,178.77

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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.