Home / 2,130,615.80-3,193,202.10-867,015.80

Finding the Fourth Proportional to 2,130,615.80, 3,193,202.10 and 867,015.80

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Solution

The fourth proportional to 2,130,615.80, 3,193,202.10 and 867,015.80 is: 1,299,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,615.80 : 3,193,202.10 = 867,015.80 : x
  2. Step 2: Convert to fraction form
    2,130,615.80/3,193,202.10 = 867,015.80/x
  3. Step 3: Cross multiply
    2,130,615.80x = 3,193,202.10 × 867,015.80
  4. Step 4: Simplify right side
    2,130,615.80x = 2,768,556,673,293.18
  5. Step 5: Solve for x
    x = 2,768,556,673,293.18/2,130,615.80
  6. Step 6: Final answer
    x = 1,299,416.19

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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.