Home / 2,128,986.40-3,193,479.60-633,078.40

Finding the Fourth Proportional to 2,128,986.40, 3,193,479.60 and 633,078.40

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Solution

The fourth proportional to 2,128,986.40, 3,193,479.60 and 633,078.40 is: 949,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,986.40 : 3,193,479.60 = 633,078.40 : x
  2. Step 2: Convert to fraction form
    2,128,986.40/3,193,479.60 = 633,078.40/x
  3. Step 3: Cross multiply
    2,128,986.40x = 3,193,479.60 × 633,078.40
  4. Step 4: Simplify right side
    2,128,986.40x = 2,021,722,955,600.64
  5. Step 5: Solve for x
    x = 2,021,722,955,600.64/2,128,986.40
  6. Step 6: Final answer
    x = 949,617.60

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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.