Home / 2,811,261.50-4,216,892.29-681,345.62

Finding the Fourth Proportional to 2,811,261.50, 4,216,892.29 and 681,345.62

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Solution

The fourth proportional to 2,811,261.50, 4,216,892.29 and 681,345.62 is: 1,022,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,261.50 : 4,216,892.29 = 681,345.62 : x
  2. Step 2: Convert to fraction form
    2,811,261.50/4,216,892.29 = 681,345.62/x
  3. Step 3: Cross multiply
    2,811,261.50x = 4,216,892.29 × 681,345.62
  4. Step 4: Simplify right side
    2,811,261.50x = 2,873,161,091,803.27
  5. Step 5: Solve for x
    x = 2,873,161,091,803.27/2,811,261.50
  6. Step 6: Final answer
    x = 1,022,018.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.