Home / 3,488,080.68-4,813,607.31-1,918,274.56

Finding the Fourth Proportional to 3,488,080.68, 4,813,607.31 and 1,918,274.56

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Solution

The fourth proportional to 3,488,080.68, 4,813,607.31 and 1,918,274.56 is: 2,647,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488,080.68 : 4,813,607.31 = 1,918,274.56 : x
  2. Step 2: Convert to fraction form
    3,488,080.68/4,813,607.31 = 1,918,274.56/x
  3. Step 3: Cross multiply
    3,488,080.68x = 4,813,607.31 × 1,918,274.56
  4. Step 4: Simplify right side
    3,488,080.68x = 9,233,820,452,401.72
  5. Step 5: Solve for x
    x = 9,233,820,452,401.72/3,488,080.68
  6. Step 6: Final answer
    x = 2,647,249.67

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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.