Home / 3,911,756.86-5,398,556.04-2,169,987.44

Finding the Fourth Proportional to 3,911,756.86, 5,398,556.04 and 2,169,987.44

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Solution

The fourth proportional to 3,911,756.86, 5,398,556.04 and 2,169,987.44 is: 2,994,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,756.86 : 5,398,556.04 = 2,169,987.44 : x
  2. Step 2: Convert to fraction form
    3,911,756.86/5,398,556.04 = 2,169,987.44/x
  3. Step 3: Cross multiply
    3,911,756.86x = 5,398,556.04 × 2,169,987.44
  4. Step 4: Simplify right side
    3,911,756.86x = 11,714,798,800,936.14
  5. Step 5: Solve for x
    x = 11,714,798,800,936.14/3,911,756.86
  6. Step 6: Final answer
    x = 2,994,766.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.