Home / 3,914,794.80-5,872,192.20-1,390,705.20

Finding the Fourth Proportional to 3,914,794.80, 5,872,192.20 and 1,390,705.20

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Solution

The fourth proportional to 3,914,794.80, 5,872,192.20 and 1,390,705.20 is: 2,086,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,794.80 : 5,872,192.20 = 1,390,705.20 : x
  2. Step 2: Convert to fraction form
    3,914,794.80/5,872,192.20 = 1,390,705.20/x
  3. Step 3: Cross multiply
    3,914,794.80x = 5,872,192.20 × 1,390,705.20
  4. Step 4: Simplify right side
    3,914,794.80x = 8,166,488,227,939.44
  5. Step 5: Solve for x
    x = 8,166,488,227,939.44/3,914,794.80
  6. Step 6: Final answer
    x = 2,086,057.80

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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.