Home / 3,622,021.80-5,431,064.40-1,224,632.40

Finding the Fourth Proportional to 3,622,021.80, 5,431,064.40 and 1,224,632.40

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Solution

The fourth proportional to 3,622,021.80, 5,431,064.40 and 1,224,632.40 is: 1,836,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,021.80 : 5,431,064.40 = 1,224,632.40 : x
  2. Step 2: Convert to fraction form
    3,622,021.80/5,431,064.40 = 1,224,632.40/x
  3. Step 3: Cross multiply
    3,622,021.80x = 5,431,064.40 × 1,224,632.40
  4. Step 4: Simplify right side
    3,622,021.80x = 6,651,057,430,726.56
  5. Step 5: Solve for x
    x = 6,651,057,430,726.56/3,622,021.80
  6. Step 6: Final answer
    x = 1,836,283.10

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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.