Home / 2,107,589.36-2,908,543.71-1,291,635.38

Finding the Fourth Proportional to 2,107,589.36, 2,908,543.71 and 1,291,635.38

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Solution

The fourth proportional to 2,107,589.36, 2,908,543.71 and 1,291,635.38 is: 1,782,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,589.36 : 2,908,543.71 = 1,291,635.38 : x
  2. Step 2: Convert to fraction form
    2,107,589.36/2,908,543.71 = 1,291,635.38/x
  3. Step 3: Cross multiply
    2,107,589.36x = 2,908,543.71 × 1,291,635.38
  4. Step 4: Simplify right side
    2,107,589.36x = 3,756,777,966,778.30
  5. Step 5: Solve for x
    x = 3,756,777,966,778.30/2,107,589.36
  6. Step 6: Final answer
    x = 1,782,499.97

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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.