Home / 1,994,174.19-2,992,015.16-780,618.11

Finding the Fourth Proportional to 1,994,174.19, 2,992,015.16 and 780,618.11

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Solution

The fourth proportional to 1,994,174.19, 2,992,015.16 and 780,618.11 is: 1,171,222.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,174.19 : 2,992,015.16 = 780,618.11 : x
  2. Step 2: Convert to fraction form
    1,994,174.19/2,992,015.16 = 780,618.11/x
  3. Step 3: Cross multiply
    1,994,174.19x = 2,992,015.16 × 780,618.11
  4. Step 4: Simplify right side
    1,994,174.19x = 2,335,621,228,722.13
  5. Step 5: Solve for x
    x = 2,335,621,228,722.13/1,994,174.19
  6. Step 6: Final answer
    x = 1,171,222.27

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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.