Home / 1,996,166.20-2,994,638.10-858,926.20

Finding the Fourth Proportional to 1,996,166.20, 2,994,638.10 and 858,926.20

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Solution

The fourth proportional to 1,996,166.20, 2,994,638.10 and 858,926.20 is: 1,288,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,166.20 : 2,994,638.10 = 858,926.20 : x
  2. Step 2: Convert to fraction form
    1,996,166.20/2,994,638.10 = 858,926.20/x
  3. Step 3: Cross multiply
    1,996,166.20x = 2,994,638.10 × 858,926.20
  4. Step 4: Simplify right side
    1,996,166.20x = 2,572,173,123,608.22
  5. Step 5: Solve for x
    x = 2,572,173,123,608.22/1,996,166.20
  6. Step 6: Final answer
    x = 1,288,556.60

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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.