Home / 3,981,025.73-5,971,554-1,211,320.64

Finding the Fourth Proportional to 3,981,025.73, 5,971,554 and 1,211,320.64

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Solution

The fourth proportional to 3,981,025.73, 5,971,554 and 1,211,320.64 is: 1,816,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,025.73 : 5,971,554 = 1,211,320.64 : x
  2. Step 2: Convert to fraction form
    3,981,025.73/5,971,554 = 1,211,320.64/x
  3. Step 3: Cross multiply
    3,981,025.73x = 5,971,554 × 1,211,320.64
  4. Step 4: Simplify right side
    3,981,025.73x = 7,233,466,583,216.79
  5. Step 5: Solve for x
    x = 7,233,466,583,216.79/3,981,025.73
  6. Step 6: Final answer
    x = 1,816,985.64

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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.