Finding the Fourth Proportional to 1,809,608.09, 2,498,228.69 and 1,395,239.85
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Solution
The fourth proportional to 1,809,608.09, 2,498,228.69 and 1,395,239.85 is: 1,926,178.52
Step by Step Solution
- Step 1: Write the proportion equation
1,809,608.09 : 2,498,228.69 = 1,395,239.85 : x - Step 2: Convert to fraction form
1,809,608.09/2,498,228.69 = 1,395,239.85/x - Step 3: Cross multiply
1,809,608.09x = 2,498,228.69 × 1,395,239.85 - Step 4: Simplify right side
1,809,608.09x = 3,485,628,215,725.10 - Step 5: Solve for x
x = 3,485,628,215,725.10/1,809,608.09 - Step 6: Final answer
x = 1,926,178.52
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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.