Home / 2,113,684.88-3,170,879.40-693,359.60

Finding the Fourth Proportional to 2,113,684.88, 3,170,879.40 and 693,359.60

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Solution

The fourth proportional to 2,113,684.88, 3,170,879.40 and 693,359.60 is: 1,040,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,684.88 : 3,170,879.40 = 693,359.60 : x
  2. Step 2: Convert to fraction form
    2,113,684.88/3,170,879.40 = 693,359.60/x
  3. Step 3: Cross multiply
    2,113,684.88x = 3,170,879.40 × 693,359.60
  4. Step 4: Simplify right side
    2,113,684.88x = 2,198,559,672,432.24
  5. Step 5: Solve for x
    x = 2,198,559,672,432.24/2,113,684.88
  6. Step 6: Final answer
    x = 1,040,154.89

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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.