Home / 2,635,942.50-3,953,913.75-641,398.50

Finding the Fourth Proportional to 2,635,942.50, 3,953,913.75 and 641,398.50

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Solution

The fourth proportional to 2,635,942.50, 3,953,913.75 and 641,398.50 is: 962,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,942.50 : 3,953,913.75 = 641,398.50 : x
  2. Step 2: Convert to fraction form
    2,635,942.50/3,953,913.75 = 641,398.50/x
  3. Step 3: Cross multiply
    2,635,942.50x = 3,953,913.75 × 641,398.50
  4. Step 4: Simplify right side
    2,635,942.50x = 2,536,034,348,379.38
  5. Step 5: Solve for x
    x = 2,536,034,348,379.38/2,635,942.50
  6. Step 6: Final answer
    x = 962,097.75

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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.