Home / 2,131,841.86-2,942,241.81-1,357,225.24

Finding the Fourth Proportional to 2,131,841.86, 2,942,241.81 and 1,357,225.24

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Solution

The fourth proportional to 2,131,841.86, 2,942,241.81 and 1,357,225.24 is: 1,873,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,841.86 : 2,942,241.81 = 1,357,225.24 : x
  2. Step 2: Convert to fraction form
    2,131,841.86/2,942,241.81 = 1,357,225.24/x
  3. Step 3: Cross multiply
    2,131,841.86x = 2,942,241.81 × 1,357,225.24
  4. Step 4: Simplify right side
    2,131,841.86x = 3,993,284,846,715.28
  5. Step 5: Solve for x
    x = 3,993,284,846,715.28/2,131,841.86
  6. Step 6: Final answer
    x = 1,873,161.85

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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.