Home / 1,322,009.24-1,983,162.01-1,186,238.57

Finding the Fourth Proportional to 1,322,009.24, 1,983,162.01 and 1,186,238.57

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Solution

The fourth proportional to 1,322,009.24, 1,983,162.01 and 1,186,238.57 is: 1,779,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,009.24 : 1,983,162.01 = 1,186,238.57 : x
  2. Step 2: Convert to fraction form
    1,322,009.24/1,983,162.01 = 1,186,238.57/x
  3. Step 3: Cross multiply
    1,322,009.24x = 1,983,162.01 × 1,186,238.57
  4. Step 4: Simplify right side
    1,322,009.24x = 2,352,503,263,982.51
  5. Step 5: Solve for x
    x = 2,352,503,263,982.51/1,322,009.24
  6. Step 6: Final answer
    x = 1,779,490.79

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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.