Home / 2,117,693.60-3,176,233.20-621,629.60

Finding the Fourth Proportional to 2,117,693.60, 3,176,233.20 and 621,629.60

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Solution

The fourth proportional to 2,117,693.60, 3,176,233.20 and 621,629.60 is: 932,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,693.60 : 3,176,233.20 = 621,629.60 : x
  2. Step 2: Convert to fraction form
    2,117,693.60/3,176,233.20 = 621,629.60/x
  3. Step 3: Cross multiply
    2,117,693.60x = 3,176,233.20 × 621,629.60
  4. Step 4: Simplify right side
    2,117,693.60x = 1,974,440,573,622.72
  5. Step 5: Solve for x
    x = 1,974,440,573,622.72/2,117,693.60
  6. Step 6: Final answer
    x = 932,354.22

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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.