Home / 3,677,109.26-5,515,688.39-1,280,999.25

Finding the Fourth Proportional to 3,677,109.26, 5,515,688.39 and 1,280,999.25

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Solution

The fourth proportional to 3,677,109.26, 5,515,688.39 and 1,280,999.25 is: 1,921,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677,109.26 : 5,515,688.39 = 1,280,999.25 : x
  2. Step 2: Convert to fraction form
    3,677,109.26/5,515,688.39 = 1,280,999.25/x
  3. Step 3: Cross multiply
    3,677,109.26x = 5,515,688.39 × 1,280,999.25
  4. Step 4: Simplify right side
    3,677,109.26x = 7,065,592,684,418.71
  5. Step 5: Solve for x
    x = 7,065,592,684,418.71/3,677,109.26
  6. Step 6: Final answer
    x = 1,921,507.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.