Home / 2,519,324.40-3,778,986.60-921,939.60

Finding the Fourth Proportional to 2,519,324.40, 3,778,986.60 and 921,939.60

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Solution

The fourth proportional to 2,519,324.40, 3,778,986.60 and 921,939.60 is: 1,382,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,324.40 : 3,778,986.60 = 921,939.60 : x
  2. Step 2: Convert to fraction form
    2,519,324.40/3,778,986.60 = 921,939.60/x
  3. Step 3: Cross multiply
    2,519,324.40x = 3,778,986.60 × 921,939.60
  4. Step 4: Simplify right side
    2,519,324.40x = 3,483,997,394,409.36
  5. Step 5: Solve for x
    x = 3,483,997,394,409.36/2,519,324.40
  6. Step 6: Final answer
    x = 1,382,909.40

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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.