Home / 3,187,791.51-4,781,663.43-913,317.83

Finding the Fourth Proportional to 3,187,791.51, 4,781,663.43 and 913,317.83

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Solution

The fourth proportional to 3,187,791.51, 4,781,663.43 and 913,317.83 is: 1,369,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,791.51 : 4,781,663.43 = 913,317.83 : x
  2. Step 2: Convert to fraction form
    3,187,791.51/4,781,663.43 = 913,317.83/x
  3. Step 3: Cross multiply
    3,187,791.51x = 4,781,663.43 × 913,317.83
  4. Step 4: Simplify right side
    3,187,791.51x = 4,367,178,467,677.96
  5. Step 5: Solve for x
    x = 4,367,178,467,677.96/3,187,791.51
  6. Step 6: Final answer
    x = 1,369,969.92

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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.