Home / 2,141,669.89-3,211,471.44-1,243,337.77

Finding the Fourth Proportional to 2,141,669.89, 3,211,471.44 and 1,243,337.77

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Solution

The fourth proportional to 2,141,669.89, 3,211,471.44 and 1,243,337.77 is: 1,864,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,669.89 : 3,211,471.44 = 1,243,337.77 : x
  2. Step 2: Convert to fraction form
    2,141,669.89/3,211,471.44 = 1,243,337.77/x
  3. Step 3: Cross multiply
    2,141,669.89x = 3,211,471.44 × 1,243,337.77
  4. Step 4: Simplify right side
    2,141,669.89x = 3,992,943,738,628.29
  5. Step 5: Solve for x
    x = 3,992,943,738,628.29/2,141,669.89
  6. Step 6: Final answer
    x = 1,864,406.72

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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.