Home / 2,137,663.86-3,206,199.33-540,128.58

Finding the Fourth Proportional to 2,137,663.86, 3,206,199.33 and 540,128.58

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Solution

The fourth proportional to 2,137,663.86, 3,206,199.33 and 540,128.58 is: 810,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,663.86 : 3,206,199.33 = 540,128.58 : x
  2. Step 2: Convert to fraction form
    2,137,663.86/3,206,199.33 = 540,128.58/x
  3. Step 3: Cross multiply
    2,137,663.86x = 3,206,199.33 × 540,128.58
  4. Step 4: Simplify right side
    2,137,663.86x = 1,731,759,891,309.85
  5. Step 5: Solve for x
    x = 1,731,759,891,309.85/2,137,663.86
  6. Step 6: Final answer
    x = 810,117.96

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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.