Finding the Fourth Proportional to 3,925,623.18, 5,416,559.20 and 2,293,714.94
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Solution
The fourth proportional to 3,925,623.18, 5,416,559.20 and 2,293,714.94 is: 3,164,858.71
Step by Step Solution
- Step 1: Write the proportion equation
3,925,623.18 : 5,416,559.20 = 2,293,714.94 : x - Step 2: Convert to fraction form
3,925,623.18/5,416,559.20 = 2,293,714.94/x - Step 3: Cross multiply
3,925,623.18x = 5,416,559.20 × 2,293,714.94 - Step 4: Simplify right side
3,925,623.18x = 12,424,042,736,218.79 - Step 5: Solve for x
x = 12,424,042,736,218.79/3,925,623.18 - Step 6: Final answer
x = 3,164,858.71
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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.