Finding the Fourth Proportional to 3,086,384.12, 4,260,328.08 and 2,512,427.84
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Solution
The fourth proportional to 3,086,384.12, 4,260,328.08 and 2,512,427.84 is: 3,468,060.51
Step by Step Solution
- Step 1: Write the proportion equation
3,086,384.12 : 4,260,328.08 = 2,512,427.84 : x - Step 2: Convert to fraction form
3,086,384.12/4,260,328.08 = 2,512,427.84/x - Step 3: Cross multiply
3,086,384.12x = 4,260,328.08 × 2,512,427.84 - Step 4: Simplify right side
3,086,384.12x = 10,703,766,875,725.75 - Step 5: Solve for x
x = 10,703,766,875,725.75/3,086,384.12 - Step 6: Final answer
x = 3,468,060.51
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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.