Home / 2,968,220.11-4,096,213.12-1,661,439.65

Finding the Fourth Proportional to 2,968,220.11, 4,096,213.12 and 1,661,439.65

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Solution

The fourth proportional to 2,968,220.11, 4,096,213.12 and 1,661,439.65 is: 2,292,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968,220.11 : 4,096,213.12 = 1,661,439.65 : x
  2. Step 2: Convert to fraction form
    2,968,220.11/4,096,213.12 = 1,661,439.65/x
  3. Step 3: Cross multiply
    2,968,220.11x = 4,096,213.12 × 1,661,439.65
  4. Step 4: Simplify right side
    2,968,220.11x = 6,805,610,892,418.21
  5. Step 5: Solve for x
    x = 6,805,610,892,418.21/2,968,220.11
  6. Step 6: Final answer
    x = 2,292,825.55

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Double scale
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1.5x scale

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.