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Finding the Fourth Proportional to 2,848,927.20, 4,273,390.80 and 854,383.20

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Solution

The fourth proportional to 2,848,927.20, 4,273,390.80 and 854,383.20 is: 1,281,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,927.20 : 4,273,390.80 = 854,383.20 : x
  2. Step 2: Convert to fraction form
    2,848,927.20/4,273,390.80 = 854,383.20/x
  3. Step 3: Cross multiply
    2,848,927.20x = 4,273,390.80 × 854,383.20
  4. Step 4: Simplify right side
    2,848,927.20x = 3,651,113,306,554.56
  5. Step 5: Solve for x
    x = 3,651,113,306,554.56/2,848,927.20
  6. Step 6: Final answer
    x = 1,281,574.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.