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Finding the Fourth Proportional to 1,812,624, 2,718,759.36 and 550,462.56

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Solution

The fourth proportional to 1,812,624, 2,718,759.36 and 550,462.56 is: 825,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,624 : 2,718,759.36 = 550,462.56 : x
  2. Step 2: Convert to fraction form
    1,812,624/2,718,759.36 = 550,462.56/x
  3. Step 3: Cross multiply
    1,812,624x = 2,718,759.36 × 550,462.56
  4. Step 4: Simplify right side
    1,812,624x = 1,496,575,237,329.56
  5. Step 5: Solve for x
    x = 1,496,575,237,329.56/1,812,624
  6. Step 6: Final answer
    x = 825,640.20

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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.