Home / 3,043,978.17-4,200,639.48-1,667,309.04

Finding the Fourth Proportional to 3,043,978.17, 4,200,639.48 and 1,667,309.04

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Solution

The fourth proportional to 3,043,978.17, 4,200,639.48 and 1,667,309.04 is: 2,300,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043,978.17 : 4,200,639.48 = 1,667,309.04 : x
  2. Step 2: Convert to fraction form
    3,043,978.17/4,200,639.48 = 1,667,309.04/x
  3. Step 3: Cross multiply
    3,043,978.17x = 4,200,639.48 × 1,667,309.04
  4. Step 4: Simplify right side
    3,043,978.17x = 7,003,764,178,784.90
  5. Step 5: Solve for x
    x = 7,003,764,178,784.90/3,043,978.17
  6. Step 6: Final answer
    x = 2,300,858.87

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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.