Home / 2,740,039.68-3,781,249.28-1,532,815.68

Finding the Fourth Proportional to 2,740,039.68, 3,781,249.28 and 1,532,815.68

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Solution

The fourth proportional to 2,740,039.68, 3,781,249.28 and 1,532,815.68 is: 2,115,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,039.68 : 3,781,249.28 = 1,532,815.68 : x
  2. Step 2: Convert to fraction form
    2,740,039.68/3,781,249.28 = 1,532,815.68/x
  3. Step 3: Cross multiply
    2,740,039.68x = 3,781,249.28 × 1,532,815.68
  4. Step 4: Simplify right side
    2,740,039.68x = 5,795,958,186,372.71
  5. Step 5: Solve for x
    x = 5,795,958,186,372.71/2,740,039.68
  6. Step 6: Final answer
    x = 2,115,282.57

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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.