Home / 2,915,722.80-4,373,584.20-1,855,465.20

Finding the Fourth Proportional to 2,915,722.80, 4,373,584.20 and 1,855,465.20

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Solution

The fourth proportional to 2,915,722.80, 4,373,584.20 and 1,855,465.20 is: 2,783,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,722.80 : 4,373,584.20 = 1,855,465.20 : x
  2. Step 2: Convert to fraction form
    2,915,722.80/4,373,584.20 = 1,855,465.20/x
  3. Step 3: Cross multiply
    2,915,722.80x = 4,373,584.20 × 1,855,465.20
  4. Step 4: Simplify right side
    2,915,722.80x = 8,115,033,282,369.84
  5. Step 5: Solve for x
    x = 8,115,033,282,369.84/2,915,722.80
  6. Step 6: Final answer
    x = 2,783,197.80

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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.