Home / 2,308,126.75-3,185,128.65-1,328,217.10

Finding the Fourth Proportional to 2,308,126.75, 3,185,128.65 and 1,328,217.10

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Solution

The fourth proportional to 2,308,126.75, 3,185,128.65 and 1,328,217.10 is: 1,832,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,126.75 : 3,185,128.65 = 1,328,217.10 : x
  2. Step 2: Convert to fraction form
    2,308,126.75/3,185,128.65 = 1,328,217.10/x
  3. Step 3: Cross multiply
    2,308,126.75x = 3,185,128.65 × 1,328,217.10
  4. Step 4: Simplify right side
    2,308,126.75x = 4,230,542,338,629.92
  5. Step 5: Solve for x
    x = 4,230,542,338,629.92/2,308,126.75
  6. Step 6: Final answer
    x = 1,832,889.96

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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.