Home / 5,121,431.15-7,067,718.38-2,829,740.27

Finding the Fourth Proportional to 5,121,431.15, 7,067,718.38 and 2,829,740.27

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Solution

The fourth proportional to 5,121,431.15, 7,067,718.38 and 2,829,740.27 is: 3,905,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,431.15 : 7,067,718.38 = 2,829,740.27 : x
  2. Step 2: Convert to fraction form
    5,121,431.15/7,067,718.38 = 2,829,740.27/x
  3. Step 3: Cross multiply
    5,121,431.15x = 7,067,718.38 × 2,829,740.27
  4. Step 4: Simplify right side
    5,121,431.15x = 19,999,807,288,640.92
  5. Step 5: Solve for x
    x = 19,999,807,288,640.92/5,121,431.15
  6. Step 6: Final answer
    x = 3,905,120.80

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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.