Finding the Fourth Proportional to 2,557,653.12, 3,529,561.59 and 1,411,733.79
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Solution
The fourth proportional to 2,557,653.12, 3,529,561.59 and 1,411,733.79 is: 1,948,192.79
Step by Step Solution
- Step 1: Write the proportion equation
2,557,653.12 : 3,529,561.59 = 1,411,733.79 : x - Step 2: Convert to fraction form
2,557,653.12/3,529,561.59 = 1,411,733.79/x - Step 3: Cross multiply
2,557,653.12x = 3,529,561.59 × 1,411,733.79 - Step 4: Simplify right side
2,557,653.12x = 4,982,801,360,489.13 - Step 5: Solve for x
x = 4,982,801,360,489.13/2,557,653.12 - Step 6: Final answer
x = 1,948,192.79
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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.