Home / 2,126,401.92-3,190,141.80-706,465.44

Finding the Fourth Proportional to 2,126,401.92, 3,190,141.80 and 706,465.44

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Solution

The fourth proportional to 2,126,401.92, 3,190,141.80 and 706,465.44 is: 1,059,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,401.92 : 3,190,141.80 = 706,465.44 : x
  2. Step 2: Convert to fraction form
    2,126,401.92/3,190,141.80 = 706,465.44/x
  3. Step 3: Cross multiply
    2,126,401.92x = 3,190,141.80 × 706,465.44
  4. Step 4: Simplify right side
    2,126,401.92x = 2,253,724,930,399.39
  5. Step 5: Solve for x
    x = 2,253,724,930,399.39/2,126,401.92
  6. Step 6: Final answer
    x = 1,059,877.21

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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.