Home / 3,853,881.60-5,317,969-2,134,680.90

Finding the Fourth Proportional to 3,853,881.60, 5,317,969 and 2,134,680.90

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Solution

The fourth proportional to 3,853,881.60, 5,317,969 and 2,134,680.90 is: 2,945,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,881.60 : 5,317,969 = 2,134,680.90 : x
  2. Step 2: Convert to fraction form
    3,853,881.60/5,317,969 = 2,134,680.90/x
  3. Step 3: Cross multiply
    3,853,881.60x = 5,317,969 × 2,134,680.90
  4. Step 4: Simplify right side
    3,853,881.60x = 11,352,166,851,092.10
  5. Step 5: Solve for x
    x = 11,352,166,851,092.10/3,853,881.60
  6. Step 6: Final answer
    x = 2,945,644.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.