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Finding the Fourth Proportional to 3,294,977.35, 4,942,321.47 and 898,814.04

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Solution

The fourth proportional to 3,294,977.35, 4,942,321.47 and 898,814.04 is: 1,348,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294,977.35 : 4,942,321.47 = 898,814.04 : x
  2. Step 2: Convert to fraction form
    3,294,977.35/4,942,321.47 = 898,814.04/x
  3. Step 3: Cross multiply
    3,294,977.35x = 4,942,321.47 × 898,814.04
  4. Step 4: Simplify right side
    3,294,977.35x = 4,442,227,927,429.44
  5. Step 5: Solve for x
    x = 4,442,227,927,429.44/3,294,977.35
  6. Step 6: Final answer
    x = 1,348,181.63

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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.