Home / 2,178,425.55-3,006,265.88-1,211,556.27

Finding the Fourth Proportional to 2,178,425.55, 3,006,265.88 and 1,211,556.27

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Solution

The fourth proportional to 2,178,425.55, 3,006,265.88 and 1,211,556.27 is: 1,671,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,425.55 : 3,006,265.88 = 1,211,556.27 : x
  2. Step 2: Convert to fraction form
    2,178,425.55/3,006,265.88 = 1,211,556.27/x
  3. Step 3: Cross multiply
    2,178,425.55x = 3,006,265.88 × 1,211,556.27
  4. Step 4: Simplify right side
    2,178,425.55x = 3,642,260,279,229.96
  5. Step 5: Solve for x
    x = 3,642,260,279,229.96/2,178,425.55
  6. Step 6: Final answer
    x = 1,671,969.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.