Home / 2,085,808.40-3,133,378.20-2,000,790.80

Finding the Fourth Proportional to 2,085,808.40, 3,133,378.20 and 2,000,790.80

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Solution

The fourth proportional to 2,085,808.40, 3,133,378.20 and 2,000,790.80 is: 3,005,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,808.40 : 3,133,378.20 = 2,000,790.80 : x
  2. Step 2: Convert to fraction form
    2,085,808.40/3,133,378.20 = 2,000,790.80/x
  3. Step 3: Cross multiply
    2,085,808.40x = 3,133,378.20 × 2,000,790.80
  4. Step 4: Simplify right side
    2,085,808.40x = 6,269,234,275,480.56
  5. Step 5: Solve for x
    x = 6,269,234,275,480.56/2,085,808.40
  6. Step 6: Final answer
    x = 3,005,661.63

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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.