Finding the Fourth Proportional to 2,557,487.60, 3,529,315.24 and 1,411,567.92
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Solution
The fourth proportional to 2,557,487.60, 3,529,315.24 and 1,411,567.92 is: 1,947,953.99
Step by Step Solution
- Step 1: Write the proportion equation
2,557,487.60 : 3,529,315.24 = 1,411,567.92 : x - Step 2: Convert to fraction form
2,557,487.60/3,529,315.24 = 1,411,567.92/x - Step 3: Cross multiply
2,557,487.60x = 3,529,315.24 × 1,411,567.92 - Step 4: Simplify right side
2,557,487.60x = 4,981,868,172,351.10 - Step 5: Solve for x
x = 4,981,868,172,351.10/2,557,487.60 - Step 6: Final answer
x = 1,947,953.99
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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.