Home / 1,945,416.48-2,685,239.34-1,129,804.80

Finding the Fourth Proportional to 1,945,416.48, 2,685,239.34 and 1,129,804.80

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Solution

The fourth proportional to 1,945,416.48, 2,685,239.34 and 1,129,804.80 is: 1,559,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,416.48 : 2,685,239.34 = 1,129,804.80 : x
  2. Step 2: Convert to fraction form
    1,945,416.48/2,685,239.34 = 1,129,804.80/x
  3. Step 3: Cross multiply
    1,945,416.48x = 2,685,239.34 × 1,129,804.80
  4. Step 4: Simplify right side
    1,945,416.48x = 3,033,796,295,480.83
  5. Step 5: Solve for x
    x = 3,033,796,295,480.83/1,945,416.48
  6. Step 6: Final answer
    x = 1,559,458.52

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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.