Home / 5,149,784.34-7,105,976.64-3,084,316.20

Finding the Fourth Proportional to 5,149,784.34, 7,105,976.64 and 3,084,316.20

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Solution

The fourth proportional to 5,149,784.34, 7,105,976.64 and 3,084,316.20 is: 4,255,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149,784.34 : 7,105,976.64 = 3,084,316.20 : x
  2. Step 2: Convert to fraction form
    5,149,784.34/7,105,976.64 = 3,084,316.20/x
  3. Step 3: Cross multiply
    5,149,784.34x = 7,105,976.64 × 3,084,316.20
  4. Step 4: Simplify right side
    5,149,784.34x = 21,917,078,867,573.57
  5. Step 5: Solve for x
    x = 21,917,078,867,573.57/5,149,784.34
  6. Step 6: Final answer
    x = 4,255,921.69

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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.