Finding the Fourth Proportional to 3,218,234.74, 4,441,549.39 and 1,929,032.26
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Solution
The fourth proportional to 3,218,234.74, 4,441,549.39 and 1,929,032.26 is: 2,662,295.56
Step by Step Solution
- Step 1: Write the proportion equation
3,218,234.74 : 4,441,549.39 = 1,929,032.26 : x - Step 2: Convert to fraction form
3,218,234.74/4,441,549.39 = 1,929,032.26/x - Step 3: Cross multiply
3,218,234.74x = 4,441,549.39 × 1,929,032.26 - Step 4: Simplify right side
3,218,234.74x = 8,567,892,077,601.39 - Step 5: Solve for x
x = 8,567,892,077,601.39/3,218,234.74 - Step 6: Final answer
x = 2,662,295.56
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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.