Home / 2,251,656.45-3,107,262.60-1,219,146.48

Finding the Fourth Proportional to 2,251,656.45, 3,107,262.60 and 1,219,146.48

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Solution

The fourth proportional to 2,251,656.45, 3,107,262.60 and 1,219,146.48 is: 1,682,409.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,656.45 : 3,107,262.60 = 1,219,146.48 : x
  2. Step 2: Convert to fraction form
    2,251,656.45/3,107,262.60 = 1,219,146.48/x
  3. Step 3: Cross multiply
    2,251,656.45x = 3,107,262.60 × 1,219,146.48
  4. Step 4: Simplify right side
    2,251,656.45x = 3,788,208,261,225.65
  5. Step 5: Solve for x
    x = 3,788,208,261,225.65/2,251,656.45
  6. Step 6: Final answer
    x = 1,682,409.53

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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.