Home / 2,123,801.85-3,185,702.78-627,893.85

Finding the Fourth Proportional to 2,123,801.85, 3,185,702.78 and 627,893.85

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Solution

The fourth proportional to 2,123,801.85, 3,185,702.78 and 627,893.85 is: 941,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,801.85 : 3,185,702.78 = 627,893.85 : x
  2. Step 2: Convert to fraction form
    2,123,801.85/3,185,702.78 = 627,893.85/x
  3. Step 3: Cross multiply
    2,123,801.85x = 3,185,702.78 × 627,893.85
  4. Step 4: Simplify right side
    2,123,801.85x = 2,000,283,180,350.43
  5. Step 5: Solve for x
    x = 2,000,283,180,350.43/2,123,801.85
  6. Step 6: Final answer
    x = 941,840.78

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Double scale
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Similar ratio
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1.5x scale

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.