Home / 1,994,557.10-2,990,195.40-858,191.90

Finding the Fourth Proportional to 1,994,557.10, 2,990,195.40 and 858,191.90

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Solution

The fourth proportional to 1,994,557.10, 2,990,195.40 and 858,191.90 is: 1,286,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,557.10 : 2,990,195.40 = 858,191.90 : x
  2. Step 2: Convert to fraction form
    1,994,557.10/2,990,195.40 = 858,191.90/x
  3. Step 3: Cross multiply
    1,994,557.10x = 2,990,195.40 × 858,191.90
  4. Step 4: Simplify right side
    1,994,557.10x = 2,566,161,471,697.26
  5. Step 5: Solve for x
    x = 2,566,161,471,697.26/1,994,557.10
  6. Step 6: Final answer
    x = 1,286,582.10

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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.