Home / 3,109,095.80-4,663,643.70-2,205,646.10

Finding the Fourth Proportional to 3,109,095.80, 4,663,643.70 and 2,205,646.10

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Solution

The fourth proportional to 3,109,095.80, 4,663,643.70 and 2,205,646.10 is: 3,308,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,095.80 : 4,663,643.70 = 2,205,646.10 : x
  2. Step 2: Convert to fraction form
    3,109,095.80/4,663,643.70 = 2,205,646.10/x
  3. Step 3: Cross multiply
    3,109,095.80x = 4,663,643.70 × 2,205,646.10
  4. Step 4: Simplify right side
    3,109,095.80x = 10,286,347,538,694.57
  5. Step 5: Solve for x
    x = 10,286,347,538,694.57/3,109,095.80
  6. Step 6: Final answer
    x = 3,308,469.15

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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.