Home / 3,194,020.80-4,789,281.60-1,298,620.80

Finding the Fourth Proportional to 3,194,020.80, 4,789,281.60 and 1,298,620.80

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Solution

The fourth proportional to 3,194,020.80, 4,789,281.60 and 1,298,620.80 is: 1,947,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194,020.80 : 4,789,281.60 = 1,298,620.80 : x
  2. Step 2: Convert to fraction form
    3,194,020.80/4,789,281.60 = 1,298,620.80/x
  3. Step 3: Cross multiply
    3,194,020.80x = 4,789,281.60 × 1,298,620.80
  4. Step 4: Simplify right side
    3,194,020.80x = 6,219,460,702,817.28
  5. Step 5: Solve for x
    x = 6,219,460,702,817.28/3,194,020.80
  6. Step 6: Final answer
    x = 1,947,219.85

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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.