Finding the Fourth Proportional to 4,991,629.25, 6,888,448.98 and 2,699,789.94
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Solution
The fourth proportional to 4,991,629.25, 6,888,448.98 and 2,699,789.94 is: 3,725,710.45
Step by Step Solution
- Step 1: Write the proportion equation
4,991,629.25 : 6,888,448.98 = 2,699,789.94 : x - Step 2: Convert to fraction form
4,991,629.25/6,888,448.98 = 2,699,789.94/x - Step 3: Cross multiply
4,991,629.25x = 6,888,448.98 × 2,699,789.94 - Step 4: Simplify right side
4,991,629.25x = 18,597,365,258,407.26 - Step 5: Solve for x
x = 18,597,365,258,407.26/4,991,629.25 - Step 6: Final answer
x = 3,725,710.45
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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.