Home / 3,778,889.40-5,664,705.30-1,253,244.60

Finding the Fourth Proportional to 3,778,889.40, 5,664,705.30 and 1,253,244.60

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Solution

The fourth proportional to 3,778,889.40, 5,664,705.30 and 1,253,244.60 is: 1,878,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,889.40 : 5,664,705.30 = 1,253,244.60 : x
  2. Step 2: Convert to fraction form
    3,778,889.40/5,664,705.30 = 1,253,244.60/x
  3. Step 3: Cross multiply
    3,778,889.40x = 5,664,705.30 × 1,253,244.60
  4. Step 4: Simplify right side
    3,778,889.40x = 7,099,261,327,816.38
  5. Step 5: Solve for x
    x = 7,099,261,327,816.38/3,778,889.40
  6. Step 6: Final answer
    x = 1,878,663.43

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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.