Home / 2,826,696-3,900,840.48-1,620,171.84

Finding the Fourth Proportional to 2,826,696, 3,900,840.48 and 1,620,171.84

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Solution

The fourth proportional to 2,826,696, 3,900,840.48 and 1,620,171.84 is: 2,235,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,696 : 3,900,840.48 = 1,620,171.84 : x
  2. Step 2: Convert to fraction form
    2,826,696/3,900,840.48 = 1,620,171.84/x
  3. Step 3: Cross multiply
    2,826,696x = 3,900,840.48 × 1,620,171.84
  4. Step 4: Simplify right side
    2,826,696x = 6,320,031,898,028.08
  5. Step 5: Solve for x
    x = 6,320,031,898,028.08/2,826,696
  6. Step 6: Final answer
    x = 2,235,837.14

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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.