Home / 3,728,253.78-5,144,909.54-2,158,451.80

Finding the Fourth Proportional to 3,728,253.78, 5,144,909.54 and 2,158,451.80

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Solution

The fourth proportional to 3,728,253.78, 5,144,909.54 and 2,158,451.80 is: 2,978,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728,253.78 : 5,144,909.54 = 2,158,451.80 : x
  2. Step 2: Convert to fraction form
    3,728,253.78/5,144,909.54 = 2,158,451.80/x
  3. Step 3: Cross multiply
    3,728,253.78x = 5,144,909.54 × 2,158,451.80
  4. Step 4: Simplify right side
    3,728,253.78x = 11,105,039,249,984.03
  5. Step 5: Solve for x
    x = 11,105,039,249,984.03/3,728,253.78
  6. Step 6: Final answer
    x = 2,978,616.78

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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.