Home / 3,957,078-5,460,768-2,238,161.52

Finding the Fourth Proportional to 3,957,078, 5,460,768 and 2,238,161.52

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Solution

The fourth proportional to 3,957,078, 5,460,768 and 2,238,161.52 is: 3,088,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,078 : 5,460,768 = 2,238,161.52 : x
  2. Step 2: Convert to fraction form
    3,957,078/5,460,768 = 2,238,161.52/x
  3. Step 3: Cross multiply
    3,957,078x = 5,460,768 × 2,238,161.52
  4. Step 4: Simplify right side
    3,957,078x = 12,222,080,807,247.36
  5. Step 5: Solve for x
    x = 12,222,080,807,247.36/3,957,078
  6. Step 6: Final answer
    x = 3,088,663.10

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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.