Finding the Fourth Proportional to 7,186,321.44, 10,778,874.92 and 2,328,525.12
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Solution
The fourth proportional to 7,186,321.44, 10,778,874.92 and 2,328,525.12 is: 3,492,590.92
Step by Step Solution
- Step 1: Write the proportion equation
7,186,321.44 : 10,778,874.92 = 2,328,525.12 : x - Step 2: Convert to fraction form
7,186,321.44/10,778,874.92 = 2,328,525.12/x - Step 3: Cross multiply
7,186,321.44x = 10,778,874.92 × 2,328,525.12 - Step 4: Simplify right side
7,186,321.44x = 25,098,881,016,557.99 - Step 5: Solve for x
x = 25,098,881,016,557.99/7,186,321.44 - Step 6: Final answer
x = 3,492,590.92
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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.