Home / 1,642,021.80-2,463,032.70-1,382,206.20

Finding the Fourth Proportional to 1,642,021.80, 2,463,032.70 and 1,382,206.20

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Solution

The fourth proportional to 1,642,021.80, 2,463,032.70 and 1,382,206.20 is: 2,073,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,021.80 : 2,463,032.70 = 1,382,206.20 : x
  2. Step 2: Convert to fraction form
    1,642,021.80/2,463,032.70 = 1,382,206.20/x
  3. Step 3: Cross multiply
    1,642,021.80x = 2,463,032.70 × 1,382,206.20
  4. Step 4: Simplify right side
    1,642,021.80x = 3,404,419,068,742.74
  5. Step 5: Solve for x
    x = 3,404,419,068,742.74/1,642,021.80
  6. Step 6: Final answer
    x = 2,073,309.30

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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.