Home / 2,768,734.80-4,153,758.30-1,421,105.40

Finding the Fourth Proportional to 2,768,734.80, 4,153,758.30 and 1,421,105.40

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Solution

The fourth proportional to 2,768,734.80, 4,153,758.30 and 1,421,105.40 is: 2,131,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,734.80 : 4,153,758.30 = 1,421,105.40 : x
  2. Step 2: Convert to fraction form
    2,768,734.80/4,153,758.30 = 1,421,105.40/x
  3. Step 3: Cross multiply
    2,768,734.80x = 4,153,758.30 × 1,421,105.40
  4. Step 4: Simplify right side
    2,768,734.80x = 5,902,928,350,424.82
  5. Step 5: Solve for x
    x = 5,902,928,350,424.82/2,768,734.80
  6. Step 6: Final answer
    x = 2,131,994.86

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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.