Finding the Fourth Proportional to 2,405,695.17, 3,319,858.18 and 1,438,825.44
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Solution
The fourth proportional to 2,405,695.17, 3,319,858.18 and 1,438,825.44 is: 1,985,578.41
Step by Step Solution
- Step 1: Write the proportion equation
2,405,695.17 : 3,319,858.18 = 1,438,825.44 : x - Step 2: Convert to fraction form
2,405,695.17/3,319,858.18 = 1,438,825.44/x - Step 3: Cross multiply
2,405,695.17x = 3,319,858.18 × 1,438,825.44 - Step 4: Simplify right side
2,405,695.17x = 4,776,696,386,379.75 - Step 5: Solve for x
x = 4,776,696,386,379.75/2,405,695.17 - Step 6: Final answer
x = 1,985,578.41
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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.