Home / 3,206,210.79-4,808,871.50-809,907.60

Finding the Fourth Proportional to 3,206,210.79, 4,808,871.50 and 809,907.60

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Solution

The fourth proportional to 3,206,210.79, 4,808,871.50 and 809,907.60 is: 1,214,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206,210.79 : 4,808,871.50 = 809,907.60 : x
  2. Step 2: Convert to fraction form
    3,206,210.79/4,808,871.50 = 809,907.60/x
  3. Step 3: Cross multiply
    3,206,210.79x = 4,808,871.50 × 809,907.60
  4. Step 4: Simplify right side
    3,206,210.79x = 3,894,741,571,223.86
  5. Step 5: Solve for x
    x = 3,894,741,571,223.86/3,206,210.79
  6. Step 6: Final answer
    x = 1,214,749.07

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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.