Home / 5,326,378.20-7,984,901.70-3,197,309.40

Finding the Fourth Proportional to 5,326,378.20, 7,984,901.70 and 3,197,309.40

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Solution

The fourth proportional to 5,326,378.20, 7,984,901.70 and 3,197,309.40 is: 4,793,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326,378.20 : 7,984,901.70 = 3,197,309.40 : x
  2. Step 2: Convert to fraction form
    5,326,378.20/7,984,901.70 = 3,197,309.40/x
  3. Step 3: Cross multiply
    5,326,378.20x = 7,984,901.70 × 3,197,309.40
  4. Step 4: Simplify right side
    5,326,378.20x = 25,530,201,263,485.98
  5. Step 5: Solve for x
    x = 25,530,201,263,485.98/5,326,378.20
  6. Step 6: Final answer
    x = 4,793,163.44

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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.