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Finding the Fourth Proportional to 1,628,961, 2,443,792.44 and 491,628

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Solution

The fourth proportional to 1,628,961, 2,443,792.44 and 491,628 is: 737,547.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,961 : 2,443,792.44 = 491,628 : x
  2. Step 2: Convert to fraction form
    1,628,961/2,443,792.44 = 491,628/x
  3. Step 3: Cross multiply
    1,628,961x = 2,443,792.44 × 491,628
  4. Step 4: Simplify right side
    1,628,961x = 1,201,436,789,692.32
  5. Step 5: Solve for x
    x = 1,201,436,789,692.32/1,628,961
  6. Step 6: Final answer
    x = 737,547.92

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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.