Home / 2,215,417.80-3,320,793.90-867,059.40

Finding the Fourth Proportional to 2,215,417.80, 3,320,793.90 and 867,059.40

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Solution

The fourth proportional to 2,215,417.80, 3,320,793.90 and 867,059.40 is: 1,299,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,417.80 : 3,320,793.90 = 867,059.40 : x
  2. Step 2: Convert to fraction form
    2,215,417.80/3,320,793.90 = 867,059.40/x
  3. Step 3: Cross multiply
    2,215,417.80x = 3,320,793.90 × 867,059.40
  4. Step 4: Simplify right side
    2,215,417.80x = 2,879,325,566,457.66
  5. Step 5: Solve for x
    x = 2,879,325,566,457.66/2,215,417.80
  6. Step 6: Final answer
    x = 1,299,676.10

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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.