Home / 3,946,442.40-5,921,996.40-1,421,769.60

Finding the Fourth Proportional to 3,946,442.40, 5,921,996.40 and 1,421,769.60

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Solution

The fourth proportional to 3,946,442.40, 5,921,996.40 and 1,421,769.60 is: 2,133,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,442.40 : 5,921,996.40 = 1,421,769.60 : x
  2. Step 2: Convert to fraction form
    3,946,442.40/5,921,996.40 = 1,421,769.60/x
  3. Step 3: Cross multiply
    3,946,442.40x = 5,921,996.40 × 1,421,769.60
  4. Step 4: Simplify right side
    3,946,442.40x = 8,419,714,452,829.44
  5. Step 5: Solve for x
    x = 8,419,714,452,829.44/3,946,442.40
  6. Step 6: Final answer
    x = 2,133,494.83

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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.