Home / 2,823,128.40-3,895,940.97-1,533,968.85

Finding the Fourth Proportional to 2,823,128.40, 3,895,940.97 and 1,533,968.85

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Solution

The fourth proportional to 2,823,128.40, 3,895,940.97 and 1,533,968.85 is: 2,116,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823,128.40 : 3,895,940.97 = 1,533,968.85 : x
  2. Step 2: Convert to fraction form
    2,823,128.40/3,895,940.97 = 1,533,968.85/x
  3. Step 3: Cross multiply
    2,823,128.40x = 3,895,940.97 × 1,533,968.85
  4. Step 4: Simplify right side
    2,823,128.40x = 5,976,252,089,418.79
  5. Step 5: Solve for x
    x = 5,976,252,089,418.79/2,823,128.40
  6. Step 6: Final answer
    x = 2,116,889.93

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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.