Home / 3,190,206.60-4,788,809.10-1,993,480.20

Finding the Fourth Proportional to 3,190,206.60, 4,788,809.10 and 1,993,480.20

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Solution

The fourth proportional to 3,190,206.60, 4,788,809.10 and 1,993,480.20 is: 2,992,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,206.60 : 4,788,809.10 = 1,993,480.20 : x
  2. Step 2: Convert to fraction form
    3,190,206.60/4,788,809.10 = 1,993,480.20/x
  3. Step 3: Cross multiply
    3,190,206.60x = 4,788,809.10 × 1,993,480.20
  4. Step 4: Simplify right side
    3,190,206.60x = 9,546,396,122,429.82
  5. Step 5: Solve for x
    x = 9,546,396,122,429.82/3,190,206.60
  6. Step 6: Final answer
    x = 2,992,406.86

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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.