Home / 2,155,997.80-3,234,006.30-558,447.40

Finding the Fourth Proportional to 2,155,997.80, 3,234,006.30 and 558,447.40

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Solution

The fourth proportional to 2,155,997.80, 3,234,006.30 and 558,447.40 is: 837,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,997.80 : 3,234,006.30 = 558,447.40 : x
  2. Step 2: Convert to fraction form
    2,155,997.80/3,234,006.30 = 558,447.40/x
  3. Step 3: Cross multiply
    2,155,997.80x = 3,234,006.30 × 558,447.40
  4. Step 4: Simplify right side
    2,155,997.80x = 1,806,022,409,818.62
  5. Step 5: Solve for x
    x = 1,806,022,409,818.62/2,155,997.80
  6. Step 6: Final answer
    x = 837,673.59

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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.