Home / 1,855,615.37-2,778,697.91-1,222,610.09

Finding the Fourth Proportional to 1,855,615.37, 2,778,697.91 and 1,222,610.09

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Solution

The fourth proportional to 1,855,615.37, 2,778,697.91 and 1,222,610.09 is: 1,830,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,615.37 : 2,778,697.91 = 1,222,610.09 : x
  2. Step 2: Convert to fraction form
    1,855,615.37/2,778,697.91 = 1,222,610.09/x
  3. Step 3: Cross multiply
    1,855,615.37x = 2,778,697.91 × 1,222,610.09
  4. Step 4: Simplify right side
    1,855,615.37x = 3,397,264,090,990.95
  5. Step 5: Solve for x
    x = 3,397,264,090,990.95/1,855,615.37
  6. Step 6: Final answer
    x = 1,830,801.88

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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.