Home / 3,800,421.63-5,244,666.84-2,168,796.51

Finding the Fourth Proportional to 3,800,421.63, 5,244,666.84 and 2,168,796.51

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Solution

The fourth proportional to 3,800,421.63, 5,244,666.84 and 2,168,796.51 is: 2,992,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,421.63 : 5,244,666.84 = 2,168,796.51 : x
  2. Step 2: Convert to fraction form
    3,800,421.63/5,244,666.84 = 2,168,796.51/x
  3. Step 3: Cross multiply
    3,800,421.63x = 5,244,666.84 × 2,168,796.51
  4. Step 4: Simplify right side
    3,800,421.63x = 11,374,615,138,704.73
  5. Step 5: Solve for x
    x = 11,374,615,138,704.73/3,800,421.63
  6. Step 6: Final answer
    x = 2,992,987.69

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1.5x scale

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.