Home / 5,118,238.46-7,677,379.38-1,331,447.96

Finding the Fourth Proportional to 5,118,238.46, 7,677,379.38 and 1,331,447.96

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Solution

The fourth proportional to 5,118,238.46, 7,677,379.38 and 1,331,447.96 is: 1,997,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,238.46 : 7,677,379.38 = 1,331,447.96 : x
  2. Step 2: Convert to fraction form
    5,118,238.46/7,677,379.38 = 1,331,447.96/x
  3. Step 3: Cross multiply
    5,118,238.46x = 7,677,379.38 × 1,331,447.96
  4. Step 4: Simplify right side
    5,118,238.46x = 10,222,031,113,647.06
  5. Step 5: Solve for x
    x = 10,222,031,113,647.06/5,118,238.46
  6. Step 6: Final answer
    x = 1,997,177.58

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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.