Home / 5,179,590.40-7,785,974.40-3,693,971.20

Finding the Fourth Proportional to 5,179,590.40, 7,785,974.40 and 3,693,971.20

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Solution

The fourth proportional to 5,179,590.40, 7,785,974.40 and 3,693,971.20 is: 5,552,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,590.40 : 7,785,974.40 = 3,693,971.20 : x
  2. Step 2: Convert to fraction form
    5,179,590.40/7,785,974.40 = 3,693,971.20/x
  3. Step 3: Cross multiply
    5,179,590.40x = 7,785,974.40 × 3,693,971.20
  4. Step 4: Simplify right side
    5,179,590.40x = 28,761,165,197,537.28
  5. Step 5: Solve for x
    x = 28,761,165,197,537.28/5,179,590.40
  6. Step 6: Final answer
    x = 5,552,787.57

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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.