Home / 2,139,033.50-3,208,519.80-519,814.22

Finding the Fourth Proportional to 2,139,033.50, 3,208,519.80 and 519,814.22

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Solution

The fourth proportional to 2,139,033.50, 3,208,519.80 and 519,814.22 is: 779,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,033.50 : 3,208,519.80 = 519,814.22 : x
  2. Step 2: Convert to fraction form
    2,139,033.50/3,208,519.80 = 519,814.22/x
  3. Step 3: Cross multiply
    2,139,033.50x = 3,208,519.80 × 519,814.22
  4. Step 4: Simplify right side
    2,139,033.50x = 1,667,834,217,191.56
  5. Step 5: Solve for x
    x = 1,667,834,217,191.56/2,139,033.50
  6. Step 6: Final answer
    x = 779,713.93

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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.