Finding the Fourth Proportional to 6,145,342.88, 8,479,307.12 and 3,531,342.08
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Solution
The fourth proportional to 6,145,342.88, 8,479,307.12 and 3,531,342.08 is: 4,872,524.55
Step by Step Solution
- Step 1: Write the proportion equation
6,145,342.88 : 8,479,307.12 = 3,531,342.08 : x - Step 2: Convert to fraction form
6,145,342.88/8,479,307.12 = 3,531,342.08/x - Step 3: Cross multiply
6,145,342.88x = 8,479,307.12 × 3,531,342.08 - Step 4: Simplify right side
6,145,342.88x = 29,943,334,042,099.61 - Step 5: Solve for x
x = 29,943,334,042,099.61/6,145,342.88 - Step 6: Final answer
x = 4,872,524.55
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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.