Home / 7,260,891.79-10,892,520.77-2,143,838.95

Finding the Fourth Proportional to 7,260,891.79, 10,892,520.77 and 2,143,838.95

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Solution

The fourth proportional to 7,260,891.79, 10,892,520.77 and 2,143,838.95 is: 3,216,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,891.79 : 10,892,520.77 = 2,143,838.95 : x
  2. Step 2: Convert to fraction form
    7,260,891.79/10,892,520.77 = 2,143,838.95/x
  3. Step 3: Cross multiply
    7,260,891.79x = 10,892,520.77 × 2,143,838.95
  4. Step 4: Simplify right side
    7,260,891.79x = 23,351,810,279,690.80
  5. Step 5: Solve for x
    x = 23,351,810,279,690.80/7,260,891.79
  6. Step 6: Final answer
    x = 3,216,107.74

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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.