Home / 4,918,174.56-6,787,067.72-2,742,720.21

Finding the Fourth Proportional to 4,918,174.56, 6,787,067.72 and 2,742,720.21

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Solution

The fourth proportional to 4,918,174.56, 6,787,067.72 and 2,742,720.21 is: 3,784,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918,174.56 : 6,787,067.72 = 2,742,720.21 : x
  2. Step 2: Convert to fraction form
    4,918,174.56/6,787,067.72 = 2,742,720.21/x
  3. Step 3: Cross multiply
    4,918,174.56x = 6,787,067.72 × 2,742,720.21
  4. Step 4: Simplify right side
    4,918,174.56x = 18,615,027,788,569.02
  5. Step 5: Solve for x
    x = 18,615,027,788,569.02/4,918,174.56
  6. Step 6: Final answer
    x = 3,784,946.54

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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.