Finding the Fourth Proportional to 2,557,399.23, 3,529,193.49 and 1,411,479.68
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Solution
The fourth proportional to 2,557,399.23, 3,529,193.49 and 1,411,479.68 is: 1,947,832.32
Step by Step Solution
- Step 1: Write the proportion equation
2,557,399.23 : 3,529,193.49 = 1,411,479.68 : x - Step 2: Convert to fraction form
2,557,399.23/3,529,193.49 = 1,411,479.68/x - Step 3: Cross multiply
2,557,399.23x = 3,529,193.49 × 1,411,479.68 - Step 4: Simplify right side
2,557,399.23x = 4,981,384,880,277.32 - Step 5: Solve for x
x = 4,981,384,880,277.32/2,557,399.23 - Step 6: Final answer
x = 1,947,832.32
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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.