Home / 3,970,352.40-5,939,782.20-3,443,722.80

Finding the Fourth Proportional to 3,970,352.40, 5,939,782.20 and 3,443,722.80

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Solution

The fourth proportional to 3,970,352.40, 5,939,782.20 and 3,443,722.80 is: 5,151,926.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,352.40 : 5,939,782.20 = 3,443,722.80 : x
  2. Step 2: Convert to fraction form
    3,970,352.40/5,939,782.20 = 3,443,722.80/x
  3. Step 3: Cross multiply
    3,970,352.40x = 5,939,782.20 × 3,443,722.80
  4. Step 4: Simplify right side
    3,970,352.40x = 20,454,963,389,174.16
  5. Step 5: Solve for x
    x = 20,454,963,389,174.16/3,970,352.40
  6. Step 6: Final answer
    x = 5,151,926.41

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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.