Finding the Fourth Proportional to 5,538,684.48, 8,310,953.81 and 3,929,850.65
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Solution
The fourth proportional to 5,538,684.48, 8,310,953.81 and 3,929,850.65 is: 5,896,852.82
Step by Step Solution
- Step 1: Write the proportion equation
5,538,684.48 : 8,310,953.81 = 3,929,850.65 : x - Step 2: Convert to fraction form
5,538,684.48/8,310,953.81 = 3,929,850.65/x - Step 3: Cross multiply
5,538,684.48x = 8,310,953.81 × 3,929,850.65 - Step 4: Simplify right side
5,538,684.48x = 32,660,807,194,095.96 - Step 5: Solve for x
x = 32,660,807,194,095.96/5,538,684.48 - Step 6: Final answer
x = 5,896,852.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.