Home / 3,206,119.93-4,809,179.90-809,971.45

Finding the Fourth Proportional to 3,206,119.93, 4,809,179.90 and 809,971.45

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Solution

The fourth proportional to 3,206,119.93, 4,809,179.90 and 809,971.45 is: 1,214,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206,119.93 : 4,809,179.90 = 809,971.45 : x
  2. Step 2: Convert to fraction form
    3,206,119.93/4,809,179.90 = 809,971.45/x
  3. Step 3: Cross multiply
    3,206,119.93x = 4,809,179.90 × 809,971.45
  4. Step 4: Simplify right side
    3,206,119.93x = 3,895,298,388,818.10
  5. Step 5: Solve for x
    x = 3,895,298,388,818.10/3,206,119.93
  6. Step 6: Final answer
    x = 1,214,957.17

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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.