Home / 1,923,916.88-2,886,268.92-661,580.56

Finding the Fourth Proportional to 1,923,916.88, 2,886,268.92 and 661,580.56

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Solution

The fourth proportional to 1,923,916.88, 2,886,268.92 and 661,580.56 is: 992,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,916.88 : 2,886,268.92 = 661,580.56 : x
  2. Step 2: Convert to fraction form
    1,923,916.88/2,886,268.92 = 661,580.56/x
  3. Step 3: Cross multiply
    1,923,916.88x = 2,886,268.92 × 661,580.56
  4. Step 4: Simplify right side
    1,923,916.88x = 1,909,499,408,404.20
  5. Step 5: Solve for x
    x = 1,909,499,408,404.20/1,923,916.88
  6. Step 6: Final answer
    x = 992,506.19

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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.