Home / 3,213,682.90-4,820,551.62-817,529.56

Finding the Fourth Proportional to 3,213,682.90, 4,820,551.62 and 817,529.56

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Solution

The fourth proportional to 3,213,682.90, 4,820,551.62 and 817,529.56 is: 1,226,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,682.90 : 4,820,551.62 = 817,529.56 : x
  2. Step 2: Convert to fraction form
    3,213,682.90/4,820,551.62 = 817,529.56/x
  3. Step 3: Cross multiply
    3,213,682.90x = 4,820,551.62 × 817,529.56
  4. Step 4: Simplify right side
    3,213,682.90x = 3,940,943,444,855.89
  5. Step 5: Solve for x
    x = 3,940,943,444,855.89/3,213,682.90
  6. Step 6: Final answer
    x = 1,226,301.28

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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.