Home / 1,969,381.50-2,716,396.83-1,205,812.14

Finding the Fourth Proportional to 1,969,381.50, 2,716,396.83 and 1,205,812.14

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Solution

The fourth proportional to 1,969,381.50, 2,716,396.83 and 1,205,812.14 is: 1,663,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,381.50 : 2,716,396.83 = 1,205,812.14 : x
  2. Step 2: Convert to fraction form
    1,969,381.50/2,716,396.83 = 1,205,812.14/x
  3. Step 3: Cross multiply
    1,969,381.50x = 2,716,396.83 × 1,205,812.14
  4. Step 4: Simplify right side
    1,969,381.50x = 3,275,464,274,671.52
  5. Step 5: Solve for x
    x = 3,275,464,274,671.52/1,969,381.50
  6. Step 6: Final answer
    x = 1,663,194.40

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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.