Home / 3,180,794.38-4,389,168.54-1,891,385.62

Finding the Fourth Proportional to 3,180,794.38, 4,389,168.54 and 1,891,385.62

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Solution

The fourth proportional to 3,180,794.38, 4,389,168.54 and 1,891,385.62 is: 2,609,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,794.38 : 4,389,168.54 = 1,891,385.62 : x
  2. Step 2: Convert to fraction form
    3,180,794.38/4,389,168.54 = 1,891,385.62/x
  3. Step 3: Cross multiply
    3,180,794.38x = 4,389,168.54 × 1,891,385.62
  4. Step 4: Simplify right side
    3,180,794.38x = 8,301,610,260,312.40
  5. Step 5: Solve for x
    x = 8,301,610,260,312.40/3,180,794.38
  6. Step 6: Final answer
    x = 2,609,917.29

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Double scale
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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.