Finding the Fourth Proportional to 6,324,621.48, 8,727,975.72 and 3,424,010.40
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Solution
The fourth proportional to 6,324,621.48, 8,727,975.72 and 3,424,010.40 is: 4,725,133.31
Step by Step Solution
- Step 1: Write the proportion equation
6,324,621.48 : 8,727,975.72 = 3,424,010.40 : x - Step 2: Convert to fraction form
6,324,621.48/8,727,975.72 = 3,424,010.40/x - Step 3: Cross multiply
6,324,621.48x = 8,727,975.72 × 3,424,010.40 - Step 4: Simplify right side
6,324,621.48x = 29,884,679,636,227.49 - Step 5: Solve for x
x = 29,884,679,636,227.49/6,324,621.48 - Step 6: Final answer
x = 4,725,133.31
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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.