Home / 1,945,698.58-2,685,311.72-1,129,739.81

Finding the Fourth Proportional to 1,945,698.58, 2,685,311.72 and 1,129,739.81

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Solution

The fourth proportional to 1,945,698.58, 2,685,311.72 and 1,129,739.81 is: 1,559,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,698.58 : 2,685,311.72 = 1,129,739.81 : x
  2. Step 2: Convert to fraction form
    1,945,698.58/2,685,311.72 = 1,129,739.81/x
  3. Step 3: Cross multiply
    1,945,698.58x = 2,685,311.72 × 1,129,739.81
  4. Step 4: Simplify right side
    1,945,698.58x = 3,033,703,546,694.87
  5. Step 5: Solve for x
    x = 3,033,703,546,694.87/1,945,698.58
  6. Step 6: Final answer
    x = 1,559,184.75

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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.