Home / 2,126,027.90-3,187,021.52-1,355,362.35

Finding the Fourth Proportional to 2,126,027.90, 3,187,021.52 and 1,355,362.35

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Solution

The fourth proportional to 2,126,027.90, 3,187,021.52 and 1,355,362.35 is: 2,031,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,027.90 : 3,187,021.52 = 1,355,362.35 : x
  2. Step 2: Convert to fraction form
    2,126,027.90/3,187,021.52 = 1,355,362.35/x
  3. Step 3: Cross multiply
    2,126,027.90x = 3,187,021.52 × 1,355,362.35
  4. Step 4: Simplify right side
    2,126,027.90x = 4,319,568,970,070.96
  5. Step 5: Solve for x
    x = 4,319,568,970,070.96/2,126,027.90
  6. Step 6: Final answer
    x = 2,031,755.55

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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.