Home / 2,389,662.40-3,584,493.60-2,128,388.80

Finding the Fourth Proportional to 2,389,662.40, 3,584,493.60 and 2,128,388.80

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Solution

The fourth proportional to 2,389,662.40, 3,584,493.60 and 2,128,388.80 is: 3,192,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,662.40 : 3,584,493.60 = 2,128,388.80 : x
  2. Step 2: Convert to fraction form
    2,389,662.40/3,584,493.60 = 2,128,388.80/x
  3. Step 3: Cross multiply
    2,389,662.40x = 3,584,493.60 × 2,128,388.80
  4. Step 4: Simplify right side
    2,389,662.40x = 7,629,196,031,911.68
  5. Step 5: Solve for x
    x = 7,629,196,031,911.68/2,389,662.40
  6. Step 6: Final answer
    x = 3,192,583.20

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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.