Finding the Fourth Proportional to 4,479,493.88, 6,719,265.42 and 1,113,700.88
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Solution
The fourth proportional to 4,479,493.88, 6,719,265.42 and 1,113,700.88 is: 1,670,557.43
Step by Step Solution
- Step 1: Write the proportion equation
4,479,493.88 : 6,719,265.42 = 1,113,700.88 : x - Step 2: Convert to fraction form
4,479,493.88/6,719,265.42 = 1,113,700.88/x - Step 3: Cross multiply
4,479,493.88x = 6,719,265.42 × 1,113,700.88 - Step 4: Simplify right side
4,479,493.88x = 7,483,251,777,611.24 - Step 5: Solve for x
x = 7,483,251,777,611.24/4,479,493.88 - Step 6: Final answer
x = 1,670,557.43
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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.