Finding the Fourth Proportional to 6,138,612.24, 8,472,918.66 and 3,626,188.02
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Solution
The fourth proportional to 6,138,612.24, 8,472,918.66 and 3,626,188.02 is: 5,005,104.56
Step by Step Solution
- Step 1: Write the proportion equation
6,138,612.24 : 8,472,918.66 = 3,626,188.02 : x - Step 2: Convert to fraction form
6,138,612.24/8,472,918.66 = 3,626,188.02/x - Step 3: Cross multiply
6,138,612.24x = 8,472,918.66 × 3,626,188.02 - Step 4: Simplify right side
6,138,612.24x = 30,724,396,139,326.45 - Step 5: Solve for x
x = 30,724,396,139,326.45/6,138,612.24 - Step 6: Final answer
x = 5,005,104.56
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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.