Home / 3,989,479.98-5,501,745.27-3,176,367.78

Finding the Fourth Proportional to 3,989,479.98, 5,501,745.27 and 3,176,367.78

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Solution

The fourth proportional to 3,989,479.98, 5,501,745.27 and 3,176,367.78 is: 4,380,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,479.98 : 5,501,745.27 = 3,176,367.78 : x
  2. Step 2: Convert to fraction form
    3,989,479.98/5,501,745.27 = 3,176,367.78/x
  3. Step 3: Cross multiply
    3,989,479.98x = 5,501,745.27 × 3,176,367.78
  4. Step 4: Simplify right side
    3,989,479.98x = 17,475,566,409,395.40
  5. Step 5: Solve for x
    x = 17,475,566,409,395.40/3,989,479.98
  6. Step 6: Final answer
    x = 4,380,412.11

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