Home / 6,279,987.40-8,666,541.78-3,526,894.60

Finding the Fourth Proportional to 6,279,987.40, 8,666,541.78 and 3,526,894.60

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Solution

The fourth proportional to 6,279,987.40, 8,666,541.78 and 3,526,894.60 is: 4,867,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279,987.40 : 8,666,541.78 = 3,526,894.60 : x
  2. Step 2: Convert to fraction form
    6,279,987.40/8,666,541.78 = 3,526,894.60/x
  3. Step 3: Cross multiply
    6,279,987.40x = 8,666,541.78 × 3,526,894.60
  4. Step 4: Simplify right side
    6,279,987.40x = 30,565,979,404,556.39
  5. Step 5: Solve for x
    x = 30,565,979,404,556.39/6,279,987.40
  6. Step 6: Final answer
    x = 4,867,203.94

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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.