Home / 1,994,553.10-2,990,189.40-858,187.90

Finding the Fourth Proportional to 1,994,553.10, 2,990,189.40 and 858,187.90

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Solution

The fourth proportional to 1,994,553.10, 2,990,189.40 and 858,187.90 is: 1,286,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,553.10 : 2,990,189.40 = 858,187.90 : x
  2. Step 2: Convert to fraction form
    1,994,553.10/2,990,189.40 = 858,187.90/x
  3. Step 3: Cross multiply
    1,994,553.10x = 2,990,189.40 × 858,187.90
  4. Step 4: Simplify right side
    1,994,553.10x = 2,566,144,361,788.26
  5. Step 5: Solve for x
    x = 2,566,144,361,788.26/1,994,553.10
  6. Step 6: Final answer
    x = 1,286,576.11

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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.