Finding the Fourth Proportional to 2,557,365.51, 3,529,157.19 and 1,411,437.66
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Solution
The fourth proportional to 2,557,365.51, 3,529,157.19 and 1,411,437.66 is: 1,947,779.98
Step by Step Solution
- Step 1: Write the proportion equation
2,557,365.51 : 3,529,157.19 = 1,411,437.66 : x - Step 2: Convert to fraction form
2,557,365.51/3,529,157.19 = 1,411,437.66/x - Step 3: Cross multiply
2,557,365.51x = 3,529,157.19 × 1,411,437.66 - Step 4: Simplify right side
2,557,365.51x = 4,981,185,355,437.88 - Step 5: Solve for x
x = 4,981,185,355,437.88/2,557,365.51 - Step 6: Final answer
x = 1,947,779.98
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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.