Home / 2,918,380.56-4,028,439.90-1,756,880.83

Finding the Fourth Proportional to 2,918,380.56, 4,028,439.90 and 1,756,880.83

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Solution

The fourth proportional to 2,918,380.56, 4,028,439.90 and 1,756,880.83 is: 2,425,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,380.56 : 4,028,439.90 = 1,756,880.83 : x
  2. Step 2: Convert to fraction form
    2,918,380.56/4,028,439.90 = 1,756,880.83/x
  3. Step 3: Cross multiply
    2,918,380.56x = 4,028,439.90 × 1,756,880.83
  4. Step 4: Simplify right side
    2,918,380.56x = 7,077,488,844,525.94
  5. Step 5: Solve for x
    x = 7,077,488,844,525.94/2,918,380.56
  6. Step 6: Final answer
    x = 2,425,142.54

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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.