Home / 2,556,783.78-3,830,229.91-2,141,522.70

Finding the Fourth Proportional to 2,556,783.78, 3,830,229.91 and 2,141,522.70

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Solution

The fourth proportional to 2,556,783.78, 3,830,229.91 and 2,141,522.70 is: 3,208,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,783.78 : 3,830,229.91 = 2,141,522.70 : x
  2. Step 2: Convert to fraction form
    2,556,783.78/3,830,229.91 = 2,141,522.70/x
  3. Step 3: Cross multiply
    2,556,783.78x = 3,830,229.91 × 2,141,522.70
  4. Step 4: Simplify right side
    2,556,783.78x = 8,202,524,298,483.96
  5. Step 5: Solve for x
    x = 8,202,524,298,483.96/2,556,783.78
  6. Step 6: Final answer
    x = 3,208,141.56

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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.