Home / 2,112,649.54-2,915,829.03-1,253,683.42

Finding the Fourth Proportional to 2,112,649.54, 2,915,829.03 and 1,253,683.42

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Solution

The fourth proportional to 2,112,649.54, 2,915,829.03 and 1,253,683.42 is: 1,730,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,649.54 : 2,915,829.03 = 1,253,683.42 : x
  2. Step 2: Convert to fraction form
    2,112,649.54/2,915,829.03 = 1,253,683.42/x
  3. Step 3: Cross multiply
    2,112,649.54x = 2,915,829.03 × 1,253,683.42
  4. Step 4: Simplify right side
    2,112,649.54x = 3,655,526,510,465.68
  5. Step 5: Solve for x
    x = 3,655,526,510,465.68/2,112,649.54
  6. Step 6: Final answer
    x = 1,730,304.27

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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.