Home / 2,130,967.80-3,193,730.10-867,367.80

Finding the Fourth Proportional to 2,130,967.80, 3,193,730.10 and 867,367.80

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Solution

The fourth proportional to 2,130,967.80, 3,193,730.10 and 867,367.80 is: 1,299,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,967.80 : 3,193,730.10 = 867,367.80 : x
  2. Step 2: Convert to fraction form
    2,130,967.80/3,193,730.10 = 867,367.80/x
  3. Step 3: Cross multiply
    2,130,967.80x = 3,193,730.10 × 867,367.80
  4. Step 4: Simplify right side
    2,130,967.80x = 2,770,138,650,630.78
  5. Step 5: Solve for x
    x = 2,770,138,650,630.78/2,130,967.80
  6. Step 6: Final answer
    x = 1,299,943.93

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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.