Home / 3,924,101.65-5,415,323.25-2,158,069.77

Finding the Fourth Proportional to 3,924,101.65, 5,415,323.25 and 2,158,069.77

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Solution

The fourth proportional to 3,924,101.65, 5,415,323.25 and 2,158,069.77 is: 2,978,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924,101.65 : 5,415,323.25 = 2,158,069.77 : x
  2. Step 2: Convert to fraction form
    3,924,101.65/5,415,323.25 = 2,158,069.77/x
  3. Step 3: Cross multiply
    3,924,101.65x = 5,415,323.25 × 2,158,069.77
  4. Step 4: Simplify right side
    3,924,101.65x = 11,686,645,388,388.45
  5. Step 5: Solve for x
    x = 11,686,645,388,388.45/3,924,101.65
  6. Step 6: Final answer
    x = 2,978,170.91

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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.