Home / 2,811,976.85-3,880,522.13-1,522,813.25

Finding the Fourth Proportional to 2,811,976.85, 3,880,522.13 and 1,522,813.25

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Solution

The fourth proportional to 2,811,976.85, 3,880,522.13 and 1,522,813.25 is: 2,101,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,976.85 : 3,880,522.13 = 1,522,813.25 : x
  2. Step 2: Convert to fraction form
    2,811,976.85/3,880,522.13 = 1,522,813.25/x
  3. Step 3: Cross multiply
    2,811,976.85x = 3,880,522.13 × 1,522,813.25
  4. Step 4: Simplify right side
    2,811,976.85x = 5,909,310,489,465.55
  5. Step 5: Solve for x
    x = 5,909,310,489,465.55/2,811,976.85
  6. Step 6: Final answer
    x = 2,101,479.07

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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.