Home / 3,830,811.10-5,743,300.65-1,938,910.30

Finding the Fourth Proportional to 3,830,811.10, 5,743,300.65 and 1,938,910.30

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Solution

The fourth proportional to 3,830,811.10, 5,743,300.65 and 1,938,910.30 is: 2,906,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,811.10 : 5,743,300.65 = 1,938,910.30 : x
  2. Step 2: Convert to fraction form
    3,830,811.10/5,743,300.65 = 1,938,910.30/x
  3. Step 3: Cross multiply
    3,830,811.10x = 5,743,300.65 × 1,938,910.30
  4. Step 4: Simplify right side
    3,830,811.10x = 11,135,744,786,281.70
  5. Step 5: Solve for x
    x = 11,135,744,786,281.70/3,830,811.10
  6. Step 6: Final answer
    x = 2,906,889.56

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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.