Home / 3,164,556.86-4,746,835.30-768,385.36

Finding the Fourth Proportional to 3,164,556.86, 4,746,835.30 and 768,385.36

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Solution

The fourth proportional to 3,164,556.86, 4,746,835.30 and 768,385.36 is: 1,152,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164,556.86 : 4,746,835.30 = 768,385.36 : x
  2. Step 2: Convert to fraction form
    3,164,556.86/4,746,835.30 = 768,385.36/x
  3. Step 3: Cross multiply
    3,164,556.86x = 4,746,835.30 × 768,385.36
  4. Step 4: Simplify right side
    3,164,556.86x = 3,647,398,750,851.21
  5. Step 5: Solve for x
    x = 3,647,398,750,851.21/3,164,556.86
  6. Step 6: Final answer
    x = 1,152,578.04

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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.