Home / 3,932,074.36-5,427,934.98-2,643,661.60

Finding the Fourth Proportional to 3,932,074.36, 5,427,934.98 and 2,643,661.60

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Solution

The fourth proportional to 3,932,074.36, 5,427,934.98 and 2,643,661.60 is: 3,649,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,074.36 : 5,427,934.98 = 2,643,661.60 : x
  2. Step 2: Convert to fraction form
    3,932,074.36/5,427,934.98 = 2,643,661.60/x
  3. Step 3: Cross multiply
    3,932,074.36x = 5,427,934.98 × 2,643,661.60
  4. Step 4: Simplify right side
    3,932,074.36x = 14,349,623,273,922.77
  5. Step 5: Solve for x
    x = 14,349,623,273,922.77/3,932,074.36
  6. Step 6: Final answer
    x = 3,649,377.39

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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.