Home / 2,131,360-3,198,618.06-1,009,432.24

Finding the Fourth Proportional to 2,131,360, 3,198,618.06 and 1,009,432.24

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Solution

The fourth proportional to 2,131,360, 3,198,618.06 and 1,009,432.24 is: 1,514,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,360 : 3,198,618.06 = 1,009,432.24 : x
  2. Step 2: Convert to fraction form
    2,131,360/3,198,618.06 = 1,009,432.24/x
  3. Step 3: Cross multiply
    2,131,360x = 3,198,618.06 × 1,009,432.24
  4. Step 4: Simplify right side
    2,131,360x = 3,228,788,193,210.25
  5. Step 5: Solve for x
    x = 3,228,788,193,210.25/2,131,360
  6. Step 6: Final answer
    x = 1,514,895.74

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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.