Home / 1,812,649.54-2,718,974.31-863,141.62

Finding the Fourth Proportional to 1,812,649.54, 2,718,974.31 and 863,141.62

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Solution

The fourth proportional to 1,812,649.54, 2,718,974.31 and 863,141.62 is: 1,294,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,649.54 : 2,718,974.31 = 863,141.62 : x
  2. Step 2: Convert to fraction form
    1,812,649.54/2,718,974.31 = 863,141.62/x
  3. Step 3: Cross multiply
    1,812,649.54x = 2,718,974.31 × 863,141.62
  4. Step 4: Simplify right side
    1,812,649.54x = 2,346,859,890,671.78
  5. Step 5: Solve for x
    x = 2,346,859,890,671.78/1,812,649.54
  6. Step 6: Final answer
    x = 1,294,712.43

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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.