Home / 1,907,199.72-2,631,936.68-1,047,815.34

Finding the Fourth Proportional to 1,907,199.72, 2,631,936.68 and 1,047,815.34

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Solution

The fourth proportional to 1,907,199.72, 2,631,936.68 and 1,047,815.34 is: 1,445,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,199.72 : 2,631,936.68 = 1,047,815.34 : x
  2. Step 2: Convert to fraction form
    1,907,199.72/2,631,936.68 = 1,047,815.34/x
  3. Step 3: Cross multiply
    1,907,199.72x = 2,631,936.68 × 1,047,815.34
  4. Step 4: Simplify right side
    1,907,199.72x = 2,757,783,627,212.67
  5. Step 5: Solve for x
    x = 2,757,783,627,212.67/1,907,199.72
  6. Step 6: Final answer
    x = 1,445,985.76

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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.