Finding the Fourth Proportional to 2,557,541.70, 3,529,400.85 and 1,411,614.18
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Solution
The fourth proportional to 2,557,541.70, 3,529,400.85 and 1,411,614.18 is: 1,948,023.87
Step by Step Solution
- Step 1: Write the proportion equation
2,557,541.70 : 3,529,400.85 = 1,411,614.18 : x - Step 2: Convert to fraction form
2,557,541.70/3,529,400.85 = 1,411,614.18/x - Step 3: Cross multiply
2,557,541.70x = 3,529,400.85 × 1,411,614.18 - Step 4: Simplify right side
2,557,541.70x = 4,982,152,286,764.05 - Step 5: Solve for x
x = 4,982,152,286,764.05/2,557,541.70 - Step 6: Final answer
x = 1,948,023.87
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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.