Finding the Fourth Proportional to 3,738,521.44, 5,159,402.72 and 2,084,855.12
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Solution
The fourth proportional to 3,738,521.44, 5,159,402.72 and 2,084,855.12 is: 2,877,235.65
Step by Step Solution
- Step 1: Write the proportion equation
3,738,521.44 : 5,159,402.72 = 2,084,855.12 : x - Step 2: Convert to fraction form
3,738,521.44/5,159,402.72 = 2,084,855.12/x - Step 3: Cross multiply
3,738,521.44x = 5,159,402.72 × 2,084,855.12 - Step 4: Simplify right side
3,738,521.44x = 10,756,607,176,933.93 - Step 5: Solve for x
x = 10,756,607,176,933.93/3,738,521.44 - Step 6: Final answer
x = 2,877,235.65
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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.