Home / 2,947,967.10-4,419,598.41-1,667,784.78

Finding the Fourth Proportional to 2,947,967.10, 4,419,598.41 and 1,667,784.78

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Solution

The fourth proportional to 2,947,967.10, 4,419,598.41 and 1,667,784.78 is: 2,500,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,967.10 : 4,419,598.41 = 1,667,784.78 : x
  2. Step 2: Convert to fraction form
    2,947,967.10/4,419,598.41 = 1,667,784.78/x
  3. Step 3: Cross multiply
    2,947,967.10x = 4,419,598.41 × 1,667,784.78
  4. Step 4: Simplify right side
    2,947,967.10x = 7,370,938,961,910.20
  5. Step 5: Solve for x
    x = 7,370,938,961,910.20/2,947,967.10
  6. Step 6: Final answer
    x = 2,500,346.41

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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.