Home / 2,640,021.60-3,960,032.40-956,906.40

Finding the Fourth Proportional to 2,640,021.60, 3,960,032.40 and 956,906.40

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Solution

The fourth proportional to 2,640,021.60, 3,960,032.40 and 956,906.40 is: 1,435,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,021.60 : 3,960,032.40 = 956,906.40 : x
  2. Step 2: Convert to fraction form
    2,640,021.60/3,960,032.40 = 956,906.40/x
  3. Step 3: Cross multiply
    2,640,021.60x = 3,960,032.40 × 956,906.40
  4. Step 4: Simplify right side
    2,640,021.60x = 3,789,380,347,767.36
  5. Step 5: Solve for x
    x = 3,789,380,347,767.36/2,640,021.60
  6. Step 6: Final answer
    x = 1,435,359.60

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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.