Home / 3,778,950.80-5,668,469.40-939,069.20

Finding the Fourth Proportional to 3,778,950.80, 5,668,469.40 and 939,069.20

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Solution

The fourth proportional to 3,778,950.80, 5,668,469.40 and 939,069.20 is: 1,408,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,950.80 : 5,668,469.40 = 939,069.20 : x
  2. Step 2: Convert to fraction form
    3,778,950.80/5,668,469.40 = 939,069.20/x
  3. Step 3: Cross multiply
    3,778,950.80x = 5,668,469.40 × 939,069.20
  4. Step 4: Simplify right side
    3,778,950.80x = 5,323,085,024,682.48
  5. Step 5: Solve for x
    x = 5,323,085,024,682.48/3,778,950.80
  6. Step 6: Final answer
    x = 1,408,614.54

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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.