Home / 3,766,863.60-5,650,295.40-1,242,190.80

Finding the Fourth Proportional to 3,766,863.60, 5,650,295.40 and 1,242,190.80

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Solution

The fourth proportional to 3,766,863.60, 5,650,295.40 and 1,242,190.80 is: 1,863,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766,863.60 : 5,650,295.40 = 1,242,190.80 : x
  2. Step 2: Convert to fraction form
    3,766,863.60/5,650,295.40 = 1,242,190.80/x
  3. Step 3: Cross multiply
    3,766,863.60x = 5,650,295.40 × 1,242,190.80
  4. Step 4: Simplify right side
    3,766,863.60x = 7,018,744,963,162.32
  5. Step 5: Solve for x
    x = 7,018,744,963,162.32/3,766,863.60
  6. Step 6: Final answer
    x = 1,863,286.20

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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.