Home / 3,530,378.39-4,871,532.30-1,981,284.75

Finding the Fourth Proportional to 3,530,378.39, 4,871,532.30 and 1,981,284.75

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Solution

The fourth proportional to 3,530,378.39, 4,871,532.30 and 1,981,284.75 is: 2,733,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530,378.39 : 4,871,532.30 = 1,981,284.75 : x
  2. Step 2: Convert to fraction form
    3,530,378.39/4,871,532.30 = 1,981,284.75/x
  3. Step 3: Cross multiply
    3,530,378.39x = 4,871,532.30 × 1,981,284.75
  4. Step 4: Simplify right side
    3,530,378.39x = 9,651,892,655,122.42
  5. Step 5: Solve for x
    x = 9,651,892,655,122.42/3,530,378.39
  6. Step 6: Final answer
    x = 2,733,954.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.