Home / 1,855,655.48-2,778,757.92-1,222,650.20

Finding the Fourth Proportional to 1,855,655.48, 2,778,757.92 and 1,222,650.20

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Solution

The fourth proportional to 1,855,655.48, 2,778,757.92 and 1,222,650.20 is: 1,830,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,655.48 : 2,778,757.92 = 1,222,650.20 : x
  2. Step 2: Convert to fraction form
    1,855,655.48/2,778,757.92 = 1,222,650.20/x
  3. Step 3: Cross multiply
    1,855,655.48x = 2,778,757.92 × 1,222,650.20
  4. Step 4: Simplify right side
    1,855,655.48x = 3,397,448,926,639.58
  5. Step 5: Solve for x
    x = 3,397,448,926,639.58/1,855,655.48
  6. Step 6: Final answer
    x = 1,830,861.90

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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.