Home / 1,620,488.84-2,236,319.70-895,383.28

Finding the Fourth Proportional to 1,620,488.84, 2,236,319.70 and 895,383.28

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Solution

The fourth proportional to 1,620,488.84, 2,236,319.70 and 895,383.28 is: 1,235,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,488.84 : 2,236,319.70 = 895,383.28 : x
  2. Step 2: Convert to fraction form
    1,620,488.84/2,236,319.70 = 895,383.28/x
  3. Step 3: Cross multiply
    1,620,488.84x = 2,236,319.70 × 895,383.28
  4. Step 4: Simplify right side
    1,620,488.84x = 2,002,363,268,114.62
  5. Step 5: Solve for x
    x = 2,002,363,268,114.62/1,620,488.84
  6. Step 6: Final answer
    x = 1,235,653.85

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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.