Home / 3,424,742.31-5,137,353.09-1,375,403.01

Finding the Fourth Proportional to 3,424,742.31, 5,137,353.09 and 1,375,403.01

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Solution

The fourth proportional to 3,424,742.31, 5,137,353.09 and 1,375,403.01 is: 2,063,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424,742.31 : 5,137,353.09 = 1,375,403.01 : x
  2. Step 2: Convert to fraction form
    3,424,742.31/5,137,353.09 = 1,375,403.01/x
  3. Step 3: Cross multiply
    3,424,742.31x = 5,137,353.09 × 1,375,403.01
  4. Step 4: Simplify right side
    3,424,742.31x = 7,065,930,903,418.80
  5. Step 5: Solve for x
    x = 7,065,930,903,418.80/3,424,742.31
  6. Step 6: Final answer
    x = 2,063,200.75

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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.