Home / 1,638,803.56-2,262,976.91-1,028,006.24

Finding the Fourth Proportional to 1,638,803.56, 2,262,976.91 and 1,028,006.24

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Solution

The fourth proportional to 1,638,803.56, 2,262,976.91 and 1,028,006.24 is: 1,419,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,803.56 : 2,262,976.91 = 1,028,006.24 : x
  2. Step 2: Convert to fraction form
    1,638,803.56/2,262,976.91 = 1,028,006.24/x
  3. Step 3: Cross multiply
    1,638,803.56x = 2,262,976.91 × 1,028,006.24
  4. Step 4: Simplify right side
    1,638,803.56x = 2,326,354,384,455.92
  5. Step 5: Solve for x
    x = 2,326,354,384,455.92/1,638,803.56
  6. Step 6: Final answer
    x = 1,419,544.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.