Finding the Fourth Proportional to 2,039,221.24, 2,813,424.42 and 1,264,573.60
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Solution
The fourth proportional to 2,039,221.24, 2,813,424.42 and 1,264,573.60 is: 1,744,676.93
Step by Step Solution
- Step 1: Write the proportion equation
2,039,221.24 : 2,813,424.42 = 1,264,573.60 : x - Step 2: Convert to fraction form
2,039,221.24/2,813,424.42 = 1,264,573.60/x - Step 3: Cross multiply
2,039,221.24x = 2,813,424.42 × 1,264,573.60 - Step 4: Simplify right side
2,039,221.24x = 3,557,782,247,127.31 - Step 5: Solve for x
x = 3,557,782,247,127.31/2,039,221.24 - Step 6: Final answer
x = 1,744,676.93
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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.