Home / 3,017,785.80-4,527,480.60-1,311,196.80

Finding the Fourth Proportional to 3,017,785.80, 4,527,480.60 and 1,311,196.80

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Solution

The fourth proportional to 3,017,785.80, 4,527,480.60 and 1,311,196.80 is: 1,967,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017,785.80 : 4,527,480.60 = 1,311,196.80 : x
  2. Step 2: Convert to fraction form
    3,017,785.80/4,527,480.60 = 1,311,196.80/x
  3. Step 3: Cross multiply
    3,017,785.80x = 4,527,480.60 × 1,311,196.80
  4. Step 4: Simplify right side
    3,017,785.80x = 5,936,418,074,782.08
  5. Step 5: Solve for x
    x = 5,936,418,074,782.08/3,017,785.80
  6. Step 6: Final answer
    x = 1,967,143.62

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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.