Home / 3,131,464.94-4,321,528.00-2,987,975.87

Finding the Fourth Proportional to 3,131,464.94, 4,321,528.00 and 2,987,975.87

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Solution

The fourth proportional to 3,131,464.94, 4,321,528.00 and 2,987,975.87 is: 4,123,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,464.94 : 4,321,528.00 = 2,987,975.87 : x
  2. Step 2: Convert to fraction form
    3,131,464.94/4,321,528.00 = 2,987,975.87/x
  3. Step 3: Cross multiply
    3,131,464.94x = 4,321,528.00 × 2,987,975.87
  4. Step 4: Simplify right side
    3,131,464.94x = 12,912,621,360,503.21
  5. Step 5: Solve for x
    x = 12,912,621,360,503.21/3,131,464.94
  6. Step 6: Final answer
    x = 4,123,508.21

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1.5x scale

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.