Home / 1,620,489.84-2,236,321.07-895,384.27

Finding the Fourth Proportional to 1,620,489.84, 2,236,321.07 and 895,384.27

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Solution

The fourth proportional to 1,620,489.84, 2,236,321.07 and 895,384.27 is: 1,235,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,489.84 : 2,236,321.07 = 895,384.27 : x
  2. Step 2: Convert to fraction form
    1,620,489.84/2,236,321.07 = 895,384.27/x
  3. Step 3: Cross multiply
    1,620,489.84x = 2,236,321.07 × 895,384.27
  4. Step 4: Simplify right side
    1,620,489.84x = 2,002,366,708,747.57
  5. Step 5: Solve for x
    x = 2,002,366,708,747.57/1,620,489.84
  6. Step 6: Final answer
    x = 1,235,655.21

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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.