Home / 2,095,986.80-3,143,980.20-766,809.20

Finding the Fourth Proportional to 2,095,986.80, 3,143,980.20 and 766,809.20

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Solution

The fourth proportional to 2,095,986.80, 3,143,980.20 and 766,809.20 is: 1,150,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095,986.80 : 3,143,980.20 = 766,809.20 : x
  2. Step 2: Convert to fraction form
    2,095,986.80/3,143,980.20 = 766,809.20/x
  3. Step 3: Cross multiply
    2,095,986.80x = 3,143,980.20 × 766,809.20
  4. Step 4: Simplify right side
    2,095,986.80x = 2,410,832,941,977.84
  5. Step 5: Solve for x
    x = 2,410,832,941,977.84/2,095,986.80
  6. Step 6: Final answer
    x = 1,150,213.80

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Similar ratio
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1.5x scale

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.