Home / 5,081,796.30-7,621,077.80-1,669,291.16

Finding the Fourth Proportional to 5,081,796.30, 7,621,077.80 and 1,669,291.16

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Solution

The fourth proportional to 5,081,796.30, 7,621,077.80 and 1,669,291.16 is: 2,503,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081,796.30 : 7,621,077.80 = 1,669,291.16 : x
  2. Step 2: Convert to fraction form
    5,081,796.30/7,621,077.80 = 1,669,291.16/x
  3. Step 3: Cross multiply
    5,081,796.30x = 7,621,077.80 × 1,669,291.16
  4. Step 4: Simplify right side
    5,081,796.30x = 12,721,797,801,212.25
  5. Step 5: Solve for x
    x = 12,721,797,801,212.25/5,081,796.30
  6. Step 6: Final answer
    x = 2,503,405.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.