Home / 3,638,684.66-5,021,419.86-2,007,160.80

Finding the Fourth Proportional to 3,638,684.66, 5,021,419.86 and 2,007,160.80

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Solution

The fourth proportional to 3,638,684.66, 5,021,419.86 and 2,007,160.80 is: 2,769,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,684.66 : 5,021,419.86 = 2,007,160.80 : x
  2. Step 2: Convert to fraction form
    3,638,684.66/5,021,419.86 = 2,007,160.80/x
  3. Step 3: Cross multiply
    3,638,684.66x = 5,021,419.86 × 2,007,160.80
  4. Step 4: Simplify right side
    3,638,684.66x = 10,078,797,103,333.49
  5. Step 5: Solve for x
    x = 10,078,797,103,333.49/3,638,684.66
  6. Step 6: Final answer
    x = 2,769,901.23

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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.