Home / 3,841,142.60-5,300,989.37-2,122,226.21

Finding the Fourth Proportional to 3,841,142.60, 5,300,989.37 and 2,122,226.21

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Solution

The fourth proportional to 3,841,142.60, 5,300,989.37 and 2,122,226.21 is: 2,928,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841,142.60 : 5,300,989.37 = 2,122,226.21 : x
  2. Step 2: Convert to fraction form
    3,841,142.60/5,300,989.37 = 2,122,226.21/x
  3. Step 3: Cross multiply
    3,841,142.60x = 5,300,989.37 × 2,122,226.21
  4. Step 4: Simplify right side
    3,841,142.60x = 11,249,898,542,829.31
  5. Step 5: Solve for x
    x = 11,249,898,542,829.31/3,841,142.60
  6. Step 6: Final answer
    x = 2,928,789.62

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1.5x scale

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.