Home / 2,551,911.40-3,521,635.80-1,405,991.80

Finding the Fourth Proportional to 2,551,911.40, 3,521,635.80 and 1,405,991.80

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Solution

The fourth proportional to 2,551,911.40, 3,521,635.80 and 1,405,991.80 is: 1,940,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,911.40 : 3,521,635.80 = 1,405,991.80 : x
  2. Step 2: Convert to fraction form
    2,551,911.40/3,521,635.80 = 1,405,991.80/x
  3. Step 3: Cross multiply
    2,551,911.40x = 3,521,635.80 × 1,405,991.80
  4. Step 4: Simplify right side
    2,551,911.40x = 4,951,391,057,386.44
  5. Step 5: Solve for x
    x = 4,951,391,057,386.44/2,551,911.40
  6. Step 6: Final answer
    x = 1,940,267.62

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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.