Finding the Fourth Proportional to 6,305,976.18, 8,703,664.65 and 4,129,255.08
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Solution
The fourth proportional to 6,305,976.18, 8,703,664.65 and 4,129,255.08 is: 5,699,300.23
Step by Step Solution
- Step 1: Write the proportion equation
6,305,976.18 : 8,703,664.65 = 4,129,255.08 : x - Step 2: Convert to fraction form
6,305,976.18/8,703,664.65 = 4,129,255.08/x - Step 3: Cross multiply
6,305,976.18x = 8,703,664.65 × 4,129,255.08 - Step 4: Simplify right side
6,305,976.18x = 35,939,651,470,628.92 - Step 5: Solve for x
x = 35,939,651,470,628.92/6,305,976.18 - Step 6: Final answer
x = 5,699,300.23
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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.