Home / 2,485,681.13-3,727,012.21-1,621,757.81

Finding the Fourth Proportional to 2,485,681.13, 3,727,012.21 and 1,621,757.81

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Solution

The fourth proportional to 2,485,681.13, 3,727,012.21 and 1,621,757.81 is: 2,431,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,681.13 : 3,727,012.21 = 1,621,757.81 : x
  2. Step 2: Convert to fraction form
    2,485,681.13/3,727,012.21 = 1,621,757.81/x
  3. Step 3: Cross multiply
    2,485,681.13x = 3,727,012.21 × 1,621,757.81
  4. Step 4: Simplify right side
    2,485,681.13x = 6,044,311,136,843.40
  5. Step 5: Solve for x
    x = 6,044,311,136,843.40/2,485,681.13
  6. Step 6: Final answer
    x = 2,431,651.86

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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.