Finding the Fourth Proportional to 2,557,531.22, 3,529,141.64 and 1,411,537.68
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Solution
The fourth proportional to 2,557,531.22, 3,529,141.64 and 1,411,537.68 is: 1,947,783.22
Step by Step Solution
- Step 1: Write the proportion equation
2,557,531.22 : 3,529,141.64 = 1,411,537.68 : x - Step 2: Convert to fraction form
2,557,531.22/3,529,141.64 = 1,411,537.68/x - Step 3: Cross multiply
2,557,531.22x = 3,529,141.64 × 1,411,537.68 - Step 4: Simplify right side
2,557,531.22x = 4,981,516,402,917.00 - Step 5: Solve for x
x = 4,981,516,402,917.00/2,557,531.22 - Step 6: Final answer
x = 1,947,783.22
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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.