Home / 3,131,387.48-4,321,241.39-1,842,310.76

Finding the Fourth Proportional to 3,131,387.48, 4,321,241.39 and 1,842,310.76

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Solution

The fourth proportional to 3,131,387.48, 4,321,241.39 and 1,842,310.76 is: 2,542,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,387.48 : 4,321,241.39 = 1,842,310.76 : x
  2. Step 2: Convert to fraction form
    3,131,387.48/4,321,241.39 = 1,842,310.76/x
  3. Step 3: Cross multiply
    3,131,387.48x = 4,321,241.39 × 1,842,310.76
  4. Step 4: Simplify right side
    3,131,387.48x = 7,961,069,492,353.93
  5. Step 5: Solve for x
    x = 7,961,069,492,353.93/3,131,387.48
  6. Step 6: Final answer
    x = 2,542,345.70

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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.