Home / 2,237,709.60-3,356,564.40-640,324.80

Finding the Fourth Proportional to 2,237,709.60, 3,356,564.40 and 640,324.80

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Solution

The fourth proportional to 2,237,709.60, 3,356,564.40 and 640,324.80 is: 960,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237,709.60 : 3,356,564.40 = 640,324.80 : x
  2. Step 2: Convert to fraction form
    2,237,709.60/3,356,564.40 = 640,324.80/x
  3. Step 3: Cross multiply
    2,237,709.60x = 3,356,564.40 × 640,324.80
  4. Step 4: Simplify right side
    2,237,709.60x = 2,149,291,428,117.12
  5. Step 5: Solve for x
    x = 2,149,291,428,117.12/2,237,709.60
  6. Step 6: Final answer
    x = 960,487.20

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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.