Home / 3,118,325.82-4,303,289.62-1,687,541.82

Finding the Fourth Proportional to 3,118,325.82, 4,303,289.62 and 1,687,541.82

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Solution

The fourth proportional to 3,118,325.82, 4,303,289.62 and 1,687,541.82 is: 2,328,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,325.82 : 4,303,289.62 = 1,687,541.82 : x
  2. Step 2: Convert to fraction form
    3,118,325.82/4,303,289.62 = 1,687,541.82/x
  3. Step 3: Cross multiply
    3,118,325.82x = 4,303,289.62 × 1,687,541.82
  4. Step 4: Simplify right side
    3,118,325.82x = 7,261,981,197,321.91
  5. Step 5: Solve for x
    x = 7,261,981,197,321.91/3,118,325.82
  6. Step 6: Final answer
    x = 2,328,807.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.