Finding the Fourth Proportional to 2,106,057.80, 3,159,086.70 and 2,085,062.60
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Solution
The fourth proportional to 2,106,057.80, 3,159,086.70 and 2,085,062.60 is: 3,127,593.90
Step by Step Solution
- Step 1: Write the proportion equation
2,106,057.80 : 3,159,086.70 = 2,085,062.60 : x - Step 2: Convert to fraction form
2,106,057.80/3,159,086.70 = 2,085,062.60/x - Step 3: Cross multiply
2,106,057.80x = 3,159,086.70 × 2,085,062.60 - Step 4: Simplify right side
2,106,057.80x = 6,586,893,528,327.42 - Step 5: Solve for x
x = 6,586,893,528,327.42/2,106,057.80 - Step 6: Final answer
x = 3,127,593.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.