Finding the Fourth Proportional to 2,374,212.72, 3,276,342.36 and 1,355,418.48
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Solution
The fourth proportional to 2,374,212.72, 3,276,342.36 and 1,355,418.48 is: 1,870,436.86
Step by Step Solution
- Step 1: Write the proportion equation
2,374,212.72 : 3,276,342.36 = 1,355,418.48 : x - Step 2: Convert to fraction form
2,374,212.72/3,276,342.36 = 1,355,418.48/x - Step 3: Cross multiply
2,374,212.72x = 3,276,342.36 × 1,355,418.48 - Step 4: Simplify right side
2,374,212.72x = 4,440,814,981,550.81 - Step 5: Solve for x
x = 4,440,814,981,550.81/2,374,212.72 - Step 6: Final answer
x = 1,870,436.86
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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.