Home / 3,086,120.40-4,258,914.74-1,761,517.38

Finding the Fourth Proportional to 3,086,120.40, 4,258,914.74 and 1,761,517.38

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Solution

The fourth proportional to 3,086,120.40, 4,258,914.74 and 1,761,517.38 is: 2,430,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,120.40 : 4,258,914.74 = 1,761,517.38 : x
  2. Step 2: Convert to fraction form
    3,086,120.40/4,258,914.74 = 1,761,517.38/x
  3. Step 3: Cross multiply
    3,086,120.40x = 4,258,914.74 × 1,761,517.38
  4. Step 4: Simplify right side
    3,086,120.40x = 7,502,152,334,169.36
  5. Step 5: Solve for x
    x = 7,502,152,334,169.36/3,086,120.40
  6. Step 6: Final answer
    x = 2,430,933.13

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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.