Finding the Fourth Proportional to 2,925,616.80, 4,379,871.60 and 2,085,808.80
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Solution
The fourth proportional to 2,925,616.80, 4,379,871.60 and 2,085,808.80 is: 3,122,614.94
Step by Step Solution
- Step 1: Write the proportion equation
2,925,616.80 : 4,379,871.60 = 2,085,808.80 : x - Step 2: Convert to fraction form
2,925,616.80/4,379,871.60 = 2,085,808.80/x - Step 3: Cross multiply
2,925,616.80x = 4,379,871.60 × 2,085,808.80 - Step 4: Simplify right side
2,925,616.80x = 9,135,574,726,150.08 - Step 5: Solve for x
x = 9,135,574,726,150.08/2,925,616.80 - Step 6: Final answer
x = 3,122,614.94
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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.