Home / 3,858,619.20-5,784,662.88-1,461,142.32

Finding the Fourth Proportional to 3,858,619.20, 5,784,662.88 and 1,461,142.32

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Solution

The fourth proportional to 3,858,619.20, 5,784,662.88 and 1,461,142.32 is: 2,190,476.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,619.20 : 5,784,662.88 = 1,461,142.32 : x
  2. Step 2: Convert to fraction form
    3,858,619.20/5,784,662.88 = 1,461,142.32/x
  3. Step 3: Cross multiply
    3,858,619.20x = 5,784,662.88 × 1,461,142.32
  4. Step 4: Simplify right side
    3,858,619.20x = 8,452,215,740,901.08
  5. Step 5: Solve for x
    x = 8,452,215,740,901.08/3,858,619.20
  6. Step 6: Final answer
    x = 2,190,476.77

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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.