Home / 2,642,860.64-3,647,868-1,555,481

Finding the Fourth Proportional to 2,642,860.64, 3,647,868 and 1,555,481

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Solution

The fourth proportional to 2,642,860.64, 3,647,868 and 1,555,481 is: 2,146,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,860.64 : 3,647,868 = 1,555,481 : x
  2. Step 2: Convert to fraction form
    2,642,860.64/3,647,868 = 1,555,481/x
  3. Step 3: Cross multiply
    2,642,860.64x = 3,647,868 × 1,555,481
  4. Step 4: Simplify right side
    2,642,860.64x = 5,674,189,364,508
  5. Step 5: Solve for x
    x = 5,674,189,364,508/2,642,860.64
  6. Step 6: Final answer
    x = 2,146,987.73

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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.