Finding the Fourth Proportional to 3,118,063.36, 4,305,898.94 and 2,948,242.24
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Solution
The fourth proportional to 3,118,063.36, 4,305,898.94 and 2,948,242.24 is: 4,071,383.96
Step by Step Solution
- Step 1: Write the proportion equation
3,118,063.36 : 4,305,898.94 = 2,948,242.24 : x - Step 2: Convert to fraction form
3,118,063.36/4,305,898.94 = 2,948,242.24/x - Step 3: Cross multiply
3,118,063.36x = 4,305,898.94 × 2,948,242.24 - Step 4: Simplify right side
3,118,063.36x = 12,694,833,136,079.23 - Step 5: Solve for x
x = 12,694,833,136,079.23/3,118,063.36 - Step 6: Final answer
x = 4,071,383.96
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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.