Home / 3,081,867.71-4,253,102.79-1,705,189.03

Finding the Fourth Proportional to 3,081,867.71, 4,253,102.79 and 1,705,189.03

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Solution

The fourth proportional to 3,081,867.71, 4,253,102.79 and 1,705,189.03 is: 2,353,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,867.71 : 4,253,102.79 = 1,705,189.03 : x
  2. Step 2: Convert to fraction form
    3,081,867.71/4,253,102.79 = 1,705,189.03/x
  3. Step 3: Cross multiply
    3,081,867.71x = 4,253,102.79 × 1,705,189.03
  4. Step 4: Simplify right side
    3,081,867.71x = 7,252,344,220,970.39
  5. Step 5: Solve for x
    x = 7,252,344,220,970.39/3,081,867.71
  6. Step 6: Final answer
    x = 2,353,230.22

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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.