Home / 6,979,488.75-10,469,236.95-3,190,314.42

Finding the Fourth Proportional to 6,979,488.75, 10,469,236.95 and 3,190,314.42

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Solution

The fourth proportional to 6,979,488.75, 10,469,236.95 and 3,190,314.42 is: 4,785,473.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,488.75 : 10,469,236.95 = 3,190,314.42 : x
  2. Step 2: Convert to fraction form
    6,979,488.75/10,469,236.95 = 3,190,314.42/x
  3. Step 3: Cross multiply
    6,979,488.75x = 10,469,236.95 × 3,190,314.42
  4. Step 4: Simplify right side
    6,979,488.75x = 33,400,157,607,981.82
  5. Step 5: Solve for x
    x = 33,400,157,607,981.82/6,979,488.75
  6. Step 6: Final answer
    x = 4,785,473.38

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Double scale
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1.5x scale

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.