Finding the Fourth Proportional to 6,145,343.88, 8,479,308.50 and 3,531,343.08
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Solution
The fourth proportional to 6,145,343.88, 8,479,308.50 and 3,531,343.08 is: 4,872,525.93
Step by Step Solution
- Step 1: Write the proportion equation
6,145,343.88 : 8,479,308.50 = 3,531,343.08 : x - Step 2: Convert to fraction form
6,145,343.88/8,479,308.50 = 3,531,343.08/x - Step 3: Cross multiply
6,145,343.88x = 8,479,308.50 × 3,531,343.08 - Step 4: Simplify right side
6,145,343.88x = 29,943,347,394,660.18 - Step 5: Solve for x
x = 29,943,347,394,660.18/6,145,343.88 - Step 6: Final answer
x = 4,872,525.93
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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.