Home / 1,620,443.28-2,236,021.08-895,247.76

Finding the Fourth Proportional to 1,620,443.28, 2,236,021.08 and 895,247.76

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Solution

The fourth proportional to 1,620,443.28, 2,236,021.08 and 895,247.76 is: 1,235,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,443.28 : 2,236,021.08 = 895,247.76 : x
  2. Step 2: Convert to fraction form
    1,620,443.28/2,236,021.08 = 895,247.76/x
  3. Step 3: Cross multiply
    1,620,443.28x = 2,236,021.08 × 895,247.76
  4. Step 4: Simplify right side
    1,620,443.28x = 2,001,792,863,182.78
  5. Step 5: Solve for x
    x = 2,001,792,863,182.78/1,620,443.28
  6. Step 6: Final answer
    x = 1,235,336.58

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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.