Home / 3,775,643.10-5,663,205.45-1,216,820.70

Finding the Fourth Proportional to 3,775,643.10, 5,663,205.45 and 1,216,820.70

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Solution

The fourth proportional to 3,775,643.10, 5,663,205.45 and 1,216,820.70 is: 1,825,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775,643.10 : 5,663,205.45 = 1,216,820.70 : x
  2. Step 2: Convert to fraction form
    3,775,643.10/5,663,205.45 = 1,216,820.70/x
  3. Step 3: Cross multiply
    3,775,643.10x = 5,663,205.45 × 1,216,820.70
  4. Step 4: Simplify right side
    3,775,643.10x = 6,891,105,619,912.82
  5. Step 5: Solve for x
    x = 6,891,105,619,912.82/3,775,643.10
  6. Step 6: Final answer
    x = 1,825,147.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.