Home / 2,768,815.16-3,820,957.78-1,545,107.64

Finding the Fourth Proportional to 2,768,815.16, 3,820,957.78 and 1,545,107.64

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Solution

The fourth proportional to 2,768,815.16, 3,820,957.78 and 1,545,107.64 is: 2,132,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,815.16 : 3,820,957.78 = 1,545,107.64 : x
  2. Step 2: Convert to fraction form
    2,768,815.16/3,820,957.78 = 1,545,107.64/x
  3. Step 3: Cross multiply
    2,768,815.16x = 3,820,957.78 × 1,545,107.64
  4. Step 4: Simplify right side
    2,768,815.16x = 5,903,791,057,995.44
  5. Step 5: Solve for x
    x = 5,903,791,057,995.44/2,768,815.16
  6. Step 6: Final answer
    x = 2,132,244.56

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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.