Home / 2,825,421.26-3,899,054.17-1,536,261.90

Finding the Fourth Proportional to 2,825,421.26, 3,899,054.17 and 1,536,261.90

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Solution

The fourth proportional to 2,825,421.26, 3,899,054.17 and 1,536,261.90 is: 2,120,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,421.26 : 3,899,054.17 = 1,536,261.90 : x
  2. Step 2: Convert to fraction form
    2,825,421.26/3,899,054.17 = 1,536,261.90/x
  3. Step 3: Cross multiply
    2,825,421.26x = 3,899,054.17 × 1,536,261.90
  4. Step 4: Simplify right side
    2,825,421.26x = 5,989,968,367,407.12
  5. Step 5: Solve for x
    x = 5,989,968,367,407.12/2,825,421.26
  6. Step 6: Final answer
    x = 2,120,026.65

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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.