Home / 2,972,238.86-4,101,690.21-1,810,684.76

Finding the Fourth Proportional to 2,972,238.86, 4,101,690.21 and 1,810,684.76

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Solution

The fourth proportional to 2,972,238.86, 4,101,690.21 and 1,810,684.76 is: 2,498,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,238.86 : 4,101,690.21 = 1,810,684.76 : x
  2. Step 2: Convert to fraction form
    2,972,238.86/4,101,690.21 = 1,810,684.76/x
  3. Step 3: Cross multiply
    2,972,238.86x = 4,101,690.21 × 1,810,684.76
  4. Step 4: Simplify right side
    2,972,238.86x = 7,426,867,932,979.75
  5. Step 5: Solve for x
    x = 7,426,867,932,979.75/2,972,238.86
  6. Step 6: Final answer
    x = 2,498,745.32

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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.