Home / 3,778,851.50-5,668,281.35-938,963.65

Finding the Fourth Proportional to 3,778,851.50, 5,668,281.35 and 938,963.65

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Solution

The fourth proportional to 3,778,851.50, 5,668,281.35 and 938,963.65 is: 1,408,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,851.50 : 5,668,281.35 = 938,963.65 : x
  2. Step 2: Convert to fraction form
    3,778,851.50/5,668,281.35 = 938,963.65/x
  3. Step 3: Cross multiply
    3,778,851.50x = 5,668,281.35 × 938,963.65
  4. Step 4: Simplify right side
    3,778,851.50x = 5,322,310,140,928.11
  5. Step 5: Solve for x
    x = 5,322,310,140,928.11/3,778,851.50
  6. Step 6: Final answer
    x = 1,408,446.49

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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.