Home / 3,911,760.86-5,398,561.56-2,169,991.44

Finding the Fourth Proportional to 3,911,760.86, 5,398,561.56 and 2,169,991.44

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Solution

The fourth proportional to 3,911,760.86, 5,398,561.56 and 2,169,991.44 is: 2,994,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,760.86 : 5,398,561.56 = 2,169,991.44 : x
  2. Step 2: Convert to fraction form
    3,911,760.86/5,398,561.56 = 2,169,991.44/x
  3. Step 3: Cross multiply
    3,911,760.86x = 5,398,561.56 × 2,169,991.44
  4. Step 4: Simplify right side
    3,911,760.86x = 11,714,832,373,513.04
  5. Step 5: Solve for x
    x = 11,714,832,373,513.04/3,911,760.86
  6. Step 6: Final answer
    x = 2,994,772.12

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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.