Home / 2,716,269.20-4,074,403.80-919,211.30

Finding the Fourth Proportional to 2,716,269.20, 4,074,403.80 and 919,211.30

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Solution

The fourth proportional to 2,716,269.20, 4,074,403.80 and 919,211.30 is: 1,378,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716,269.20 : 4,074,403.80 = 919,211.30 : x
  2. Step 2: Convert to fraction form
    2,716,269.20/4,074,403.80 = 919,211.30/x
  3. Step 3: Cross multiply
    2,716,269.20x = 4,074,403.80 × 919,211.30
  4. Step 4: Simplify right side
    2,716,269.20x = 3,745,238,013,722.94
  5. Step 5: Solve for x
    x = 3,745,238,013,722.94/2,716,269.20
  6. Step 6: Final answer
    x = 1,378,816.95

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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.