Home / 2,138,445.98-3,206,710.26-1,274,288.46

Finding the Fourth Proportional to 2,138,445.98, 3,206,710.26 and 1,274,288.46

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Solution

The fourth proportional to 2,138,445.98, 3,206,710.26 and 1,274,288.46 is: 1,910,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,445.98 : 3,206,710.26 = 1,274,288.46 : x
  2. Step 2: Convert to fraction form
    2,138,445.98/3,206,710.26 = 1,274,288.46/x
  3. Step 3: Cross multiply
    2,138,445.98x = 3,206,710.26 × 1,274,288.46
  4. Step 4: Simplify right side
    2,138,445.98x = 4,086,273,878,881.60
  5. Step 5: Solve for x
    x = 4,086,273,878,881.60/2,138,445.98
  6. Step 6: Final answer
    x = 1,910,861.40

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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.