Home / 2,768,793.60-3,821,752.32-1,623,121.92

Finding the Fourth Proportional to 2,768,793.60, 3,821,752.32 and 1,623,121.92

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Solution

The fourth proportional to 2,768,793.60, 3,821,752.32 and 1,623,121.92 is: 2,240,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,793.60 : 3,821,752.32 = 1,623,121.92 : x
  2. Step 2: Convert to fraction form
    2,768,793.60/3,821,752.32 = 1,623,121.92/x
  3. Step 3: Cross multiply
    2,768,793.60x = 3,821,752.32 × 1,623,121.92
  4. Step 4: Simplify right side
    2,768,793.60x = 6,203,169,963,402.85
  5. Step 5: Solve for x
    x = 6,203,169,963,402.85/2,768,793.60
  6. Step 6: Final answer
    x = 2,240,387.28

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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.