Home / 1,928,202.30-2,891,137.05-863,045.82

Finding the Fourth Proportional to 1,928,202.30, 2,891,137.05 and 863,045.82

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Solution

The fourth proportional to 1,928,202.30, 2,891,137.05 and 863,045.82 is: 1,294,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,202.30 : 2,891,137.05 = 863,045.82 : x
  2. Step 2: Convert to fraction form
    1,928,202.30/2,891,137.05 = 863,045.82/x
  3. Step 3: Cross multiply
    1,928,202.30x = 2,891,137.05 × 863,045.82
  4. Step 4: Simplify right side
    1,928,202.30x = 2,495,183,746,049.63
  5. Step 5: Solve for x
    x = 2,495,183,746,049.63/1,928,202.30
  6. Step 6: Final answer
    x = 1,294,046.66

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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.