Home / 1,673,189.20-2,515,032.60-1,641,696.40

Finding the Fourth Proportional to 1,673,189.20, 2,515,032.60 and 1,641,696.40

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Solution

The fourth proportional to 1,673,189.20, 2,515,032.60 and 1,641,696.40 is: 2,467,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,189.20 : 2,515,032.60 = 1,641,696.40 : x
  2. Step 2: Convert to fraction form
    1,673,189.20/2,515,032.60 = 1,641,696.40/x
  3. Step 3: Cross multiply
    1,673,189.20x = 2,515,032.60 × 1,641,696.40
  4. Step 4: Simplify right side
    1,673,189.20x = 4,128,919,965,302.64
  5. Step 5: Solve for x
    x = 4,128,919,965,302.64/1,673,189.20
  6. Step 6: Final answer
    x = 2,467,694.61

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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.