Home / 1,907,193.83-2,631,976.20-1,047,775.73

Finding the Fourth Proportional to 1,907,193.83, 2,631,976.20 and 1,047,775.73

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Solution

The fourth proportional to 1,907,193.83, 2,631,976.20 and 1,047,775.73 is: 1,445,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,193.83 : 2,631,976.20 = 1,047,775.73 : x
  2. Step 2: Convert to fraction form
    1,907,193.83/2,631,976.20 = 1,047,775.73/x
  3. Step 3: Cross multiply
    1,907,193.83x = 2,631,976.20 × 1,047,775.73
  4. Step 4: Simplify right side
    1,907,193.83x = 2,757,720,771,137.75
  5. Step 5: Solve for x
    x = 2,757,720,771,137.75/1,907,193.83
  6. Step 6: Final answer
    x = 1,445,957.27

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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.