Home / 5,190,999.73-7,782,284.13-2,160,633.88

Finding the Fourth Proportional to 5,190,999.73, 7,782,284.13 and 2,160,633.88

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Solution

The fourth proportional to 5,190,999.73, 7,782,284.13 and 2,160,633.88 is: 3,239,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,999.73 : 7,782,284.13 = 2,160,633.88 : x
  2. Step 2: Convert to fraction form
    5,190,999.73/7,782,284.13 = 2,160,633.88/x
  3. Step 3: Cross multiply
    5,190,999.73x = 7,782,284.13 × 2,160,633.88
  4. Step 4: Simplify right side
    5,190,999.73x = 16,814,666,756,689.80
  5. Step 5: Solve for x
    x = 16,814,666,756,689.80/5,190,999.73
  6. Step 6: Final answer
    x = 3,239,196.23

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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.