Home / 4,161,619.80-6,242,429.70-1,321,954.20

Finding the Fourth Proportional to 4,161,619.80, 6,242,429.70 and 1,321,954.20

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Solution

The fourth proportional to 4,161,619.80, 6,242,429.70 and 1,321,954.20 is: 1,982,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161,619.80 : 6,242,429.70 = 1,321,954.20 : x
  2. Step 2: Convert to fraction form
    4,161,619.80/6,242,429.70 = 1,321,954.20/x
  3. Step 3: Cross multiply
    4,161,619.80x = 6,242,429.70 × 1,321,954.20
  4. Step 4: Simplify right side
    4,161,619.80x = 8,252,206,160,119.74
  5. Step 5: Solve for x
    x = 8,252,206,160,119.74/4,161,619.80
  6. Step 6: Final answer
    x = 1,982,931.30

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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.