Finding the Fourth Proportional to 1,663,787.92, 2,296,027.26 and 899,841.54
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Solution
The fourth proportional to 1,663,787.92, 2,296,027.26 and 899,841.54 is: 1,241,781.29
Step by Step Solution
- Step 1: Write the proportion equation
1,663,787.92 : 2,296,027.26 = 899,841.54 : x - Step 2: Convert to fraction form
1,663,787.92/2,296,027.26 = 899,841.54/x - Step 3: Cross multiply
1,663,787.92x = 2,296,027.26 × 899,841.54 - Step 4: Simplify right side
1,663,787.92x = 2,066,060,705,520.38 - Step 5: Solve for x
x = 2,066,060,705,520.38/1,663,787.92 - Step 6: Final answer
x = 1,241,781.29
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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.