Home / 3,078,621.60-4,619,244.60-1,942,256.40

Finding the Fourth Proportional to 3,078,621.60, 4,619,244.60 and 1,942,256.40

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Solution

The fourth proportional to 3,078,621.60, 4,619,244.60 and 1,942,256.40 is: 2,914,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,621.60 : 4,619,244.60 = 1,942,256.40 : x
  2. Step 2: Convert to fraction form
    3,078,621.60/4,619,244.60 = 1,942,256.40/x
  3. Step 3: Cross multiply
    3,078,621.60x = 4,619,244.60 × 1,942,256.40
  4. Step 4: Simplify right side
    3,078,621.60x = 8,971,757,387,515.44
  5. Step 5: Solve for x
    x = 8,971,757,387,515.44/3,078,621.60
  6. Step 6: Final answer
    x = 2,914,212.45

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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.