Home / 1,882,172.80-2,823,259.20-1,085,910.40

Finding the Fourth Proportional to 1,882,172.80, 2,823,259.20 and 1,085,910.40

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Solution

The fourth proportional to 1,882,172.80, 2,823,259.20 and 1,085,910.40 is: 1,628,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,172.80 : 2,823,259.20 = 1,085,910.40 : x
  2. Step 2: Convert to fraction form
    1,882,172.80/2,823,259.20 = 1,085,910.40/x
  3. Step 3: Cross multiply
    1,882,172.80x = 2,823,259.20 × 1,085,910.40
  4. Step 4: Simplify right side
    1,882,172.80x = 3,065,806,527,175.68
  5. Step 5: Solve for x
    x = 3,065,806,527,175.68/1,882,172.80
  6. Step 6: Final answer
    x = 1,628,865.60

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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.