Home / 1,620,556.45-2,236,363.31-895,399

Finding the Fourth Proportional to 1,620,556.45, 2,236,363.31 and 895,399

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Solution

The fourth proportional to 1,620,556.45, 2,236,363.31 and 895,399 is: 1,235,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,556.45 : 2,236,363.31 = 895,399 : x
  2. Step 2: Convert to fraction form
    1,620,556.45/2,236,363.31 = 895,399/x
  3. Step 3: Cross multiply
    1,620,556.45x = 2,236,363.31 × 895,399
  4. Step 4: Simplify right side
    1,620,556.45x = 2,002,437,471,410.69
  5. Step 5: Solve for x
    x = 2,002,437,471,410.69/1,620,556.45
  6. Step 6: Final answer
    x = 1,235,648.08

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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.