Home / 2,191,338.60-3,285,452.70-842,980.20

Finding the Fourth Proportional to 2,191,338.60, 3,285,452.70 and 842,980.20

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Solution

The fourth proportional to 2,191,338.60, 3,285,452.70 and 842,980.20 is: 1,263,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,338.60 : 3,285,452.70 = 842,980.20 : x
  2. Step 2: Convert to fraction form
    2,191,338.60/3,285,452.70 = 842,980.20/x
  3. Step 3: Cross multiply
    2,191,338.60x = 3,285,452.70 × 842,980.20
  4. Step 4: Simplify right side
    2,191,338.60x = 2,769,571,574,136.54
  5. Step 5: Solve for x
    x = 2,769,571,574,136.54/2,191,338.60
  6. Step 6: Final answer
    x = 1,263,872.03

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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.