Home / 2,211,730.43-3,311,231.47-1,980,943.61

Finding the Fourth Proportional to 2,211,730.43, 3,311,231.47 and 1,980,943.61

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Solution

The fourth proportional to 2,211,730.43, 3,311,231.47 and 1,980,943.61 is: 2,965,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,730.43 : 3,311,231.47 = 1,980,943.61 : x
  2. Step 2: Convert to fraction form
    2,211,730.43/3,311,231.47 = 1,980,943.61/x
  3. Step 3: Cross multiply
    2,211,730.43x = 3,311,231.47 × 1,980,943.61
  4. Step 4: Simplify right side
    2,211,730.43x = 6,559,362,800,218.89
  5. Step 5: Solve for x
    x = 6,559,362,800,218.89/2,211,730.43
  6. Step 6: Final answer
    x = 2,965,715.32

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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.