Home / 2,942,190-4,413,285-947,646

Finding the Fourth Proportional to 2,942,190, 4,413,285 and 947,646

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Solution

The fourth proportional to 2,942,190, 4,413,285 and 947,646 is: 1,421,469

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,190 : 4,413,285 = 947,646 : x
  2. Step 2: Convert to fraction form
    2,942,190/4,413,285 = 947,646/x
  3. Step 3: Cross multiply
    2,942,190x = 4,413,285 × 947,646
  4. Step 4: Simplify right side
    2,942,190x = 4,182,231,877,110
  5. Step 5: Solve for x
    x = 4,182,231,877,110/2,942,190
  6. Step 6: Final answer
    x = 1,421,469

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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.