Home / 1,615,181.21-2,228,950.26-936,511.37

Finding the Fourth Proportional to 1,615,181.21, 2,228,950.26 and 936,511.37

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Solution

The fourth proportional to 1,615,181.21, 2,228,950.26 and 936,511.37 is: 1,292,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,181.21 : 2,228,950.26 = 936,511.37 : x
  2. Step 2: Convert to fraction form
    1,615,181.21/2,228,950.26 = 936,511.37/x
  3. Step 3: Cross multiply
    1,615,181.21x = 2,228,950.26 × 936,511.37
  4. Step 4: Simplify right side
    1,615,181.21x = 2,087,437,250,509.70
  5. Step 5: Solve for x
    x = 2,087,437,250,509.70/1,615,181.21
  6. Step 6: Final answer
    x = 1,292,385.80

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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.