Home / 2,237,643.20-3,356,464.80-640,301.60

Finding the Fourth Proportional to 2,237,643.20, 3,356,464.80 and 640,301.60

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Solution

The fourth proportional to 2,237,643.20, 3,356,464.80 and 640,301.60 is: 960,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237,643.20 : 3,356,464.80 = 640,301.60 : x
  2. Step 2: Convert to fraction form
    2,237,643.20/3,356,464.80 = 640,301.60/x
  3. Step 3: Cross multiply
    2,237,643.20x = 3,356,464.80 × 640,301.60
  4. Step 4: Simplify right side
    2,237,643.20x = 2,149,149,781,783.68
  5. Step 5: Solve for x
    x = 2,149,149,781,783.68/2,237,643.20
  6. Step 6: Final answer
    x = 960,452.40

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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.