Home / 1,994,556.10-2,990,193.90-858,190.90

Finding the Fourth Proportional to 1,994,556.10, 2,990,193.90 and 858,190.90

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Solution

The fourth proportional to 1,994,556.10, 2,990,193.90 and 858,190.90 is: 1,286,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,556.10 : 2,990,193.90 = 858,190.90 : x
  2. Step 2: Convert to fraction form
    1,994,556.10/2,990,193.90 = 858,190.90/x
  3. Step 3: Cross multiply
    1,994,556.10x = 2,990,193.90 × 858,190.90
  4. Step 4: Simplify right side
    1,994,556.10x = 2,566,157,194,215.51
  5. Step 5: Solve for x
    x = 2,566,157,194,215.51/1,994,556.10
  6. Step 6: Final answer
    x = 1,286,580.61

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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.