Finding the Fourth Proportional to 2,959,815.09, 4,084,548.44 and 1,601,688.09
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Solution
The fourth proportional to 2,959,815.09, 4,084,548.44 and 1,601,688.09 is: 2,210,331.52
Step by Step Solution
- Step 1: Write the proportion equation
2,959,815.09 : 4,084,548.44 = 1,601,688.09 : x - Step 2: Convert to fraction form
2,959,815.09/4,084,548.44 = 1,601,688.09/x - Step 3: Cross multiply
2,959,815.09x = 4,084,548.44 × 1,601,688.09 - Step 4: Simplify right side
2,959,815.09x = 6,542,172,589,376.08 - Step 5: Solve for x
x = 6,542,172,589,376.08/2,959,815.09 - Step 6: Final answer
x = 2,210,331.52
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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.