Finding the Fourth Proportional to 8,860,731.75, 13,291,097.61 and 2,129,145.75
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Solution
The fourth proportional to 8,860,731.75, 13,291,097.61 and 2,129,145.75 is: 3,193,718.62
Step by Step Solution
- Step 1: Write the proportion equation
8,860,731.75 : 13,291,097.61 = 2,129,145.75 : x - Step 2: Convert to fraction form
8,860,731.75/13,291,097.61 = 2,129,145.75/x - Step 3: Cross multiply
8,860,731.75x = 13,291,097.61 × 2,129,145.75 - Step 4: Simplify right side
8,860,731.75x = 28,298,683,989,166.66 - Step 5: Solve for x
x = 28,298,683,989,166.66/8,860,731.75 - Step 6: Final answer
x = 3,193,718.62
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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.