Home / 3,820,176.30-5,268,239.20-2,511,115.86

Finding the Fourth Proportional to 3,820,176.30, 5,268,239.20 and 2,511,115.86

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Solution

The fourth proportional to 3,820,176.30, 5,268,239.20 and 2,511,115.86 is: 3,462,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,176.30 : 5,268,239.20 = 2,511,115.86 : x
  2. Step 2: Convert to fraction form
    3,820,176.30/5,268,239.20 = 2,511,115.86/x
  3. Step 3: Cross multiply
    3,820,176.30x = 5,268,239.20 × 2,511,115.86
  4. Step 4: Simplify right side
    3,820,176.30x = 13,229,159,009,393.71
  5. Step 5: Solve for x
    x = 13,229,159,009,393.71/3,820,176.30
  6. Step 6: Final answer
    x = 3,462,970.81

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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.