Home / 6,485,643.80-9,728,465.70-3,296,997.80

Finding the Fourth Proportional to 6,485,643.80, 9,728,465.70 and 3,296,997.80

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Solution

The fourth proportional to 6,485,643.80, 9,728,465.70 and 3,296,997.80 is: 4,945,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485,643.80 : 9,728,465.70 = 3,296,997.80 : x
  2. Step 2: Convert to fraction form
    6,485,643.80/9,728,465.70 = 3,296,997.80/x
  3. Step 3: Cross multiply
    6,485,643.80x = 9,728,465.70 × 3,296,997.80
  4. Step 4: Simplify right side
    6,485,643.80x = 32,074,730,010,275.46
  5. Step 5: Solve for x
    x = 32,074,730,010,275.46/6,485,643.80
  6. Step 6: Final answer
    x = 4,945,496.70

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Double scale
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Similar ratio
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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.