Home / 1,855,619.49-2,778,704.10-1,222,614.21

Finding the Fourth Proportional to 1,855,619.49, 2,778,704.10 and 1,222,614.21

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Solution

The fourth proportional to 1,855,619.49, 2,778,704.10 and 1,222,614.21 is: 1,830,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,619.49 : 2,778,704.10 = 1,222,614.21 : x
  2. Step 2: Convert to fraction form
    1,855,619.49/2,778,704.10 = 1,222,614.21/x
  3. Step 3: Cross multiply
    1,855,619.49x = 2,778,704.10 × 1,222,614.21
  4. Step 4: Simplify right side
    1,855,619.49x = 3,397,283,118,045.26
  5. Step 5: Solve for x
    x = 3,397,283,118,045.26/1,855,619.49
  6. Step 6: Final answer
    x = 1,830,808.06

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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.