Finding the Fourth Proportional to 4,477,272.14, 6,178,656.84 and 2,543,638.82
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Solution
The fourth proportional to 4,477,272.14, 6,178,656.84 and 2,543,638.82 is: 3,510,233.67
Step by Step Solution
- Step 1: Write the proportion equation
4,477,272.14 : 6,178,656.84 = 2,543,638.82 : x - Step 2: Convert to fraction form
4,477,272.14/6,178,656.84 = 2,543,638.82/x - Step 3: Cross multiply
4,477,272.14x = 6,178,656.84 × 2,543,638.82 - Step 4: Simplify right side
4,477,272.14x = 15,716,271,393,682.53 - Step 5: Solve for x
x = 15,716,271,393,682.53/4,477,272.14 - Step 6: Final answer
x = 3,510,233.67
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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.