Home / 2,170,421.88-2,995,035.66-1,252,689.72

Finding the Fourth Proportional to 2,170,421.88, 2,995,035.66 and 1,252,689.72

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Solution

The fourth proportional to 2,170,421.88, 2,995,035.66 and 1,252,689.72 is: 1,728,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,421.88 : 2,995,035.66 = 1,252,689.72 : x
  2. Step 2: Convert to fraction form
    2,170,421.88/2,995,035.66 = 1,252,689.72/x
  3. Step 3: Cross multiply
    2,170,421.88x = 2,995,035.66 × 1,252,689.72
  4. Step 4: Simplify right side
    2,170,421.88x = 3,751,850,382,315.42
  5. Step 5: Solve for x
    x = 3,751,850,382,315.42/2,170,421.88
  6. Step 6: Final answer
    x = 1,728,627.24

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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.