Finding the Fourth Proportional to 6,145,328.07, 8,479,286.80 and 3,531,327.25
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Solution
The fourth proportional to 6,145,328.07, 8,479,286.80 and 3,531,327.25 is: 4,872,504.15
Step by Step Solution
- Step 1: Write the proportion equation
6,145,328.07 : 8,479,286.80 = 3,531,327.25 : x - Step 2: Convert to fraction form
6,145,328.07/8,479,286.80 = 3,531,327.25/x - Step 3: Cross multiply
6,145,328.07x = 8,479,286.80 × 3,531,327.25 - Step 4: Simplify right side
6,145,328.07x = 29,943,136,537,405.30 - Step 5: Solve for x
x = 29,943,136,537,405.30/6,145,328.07 - Step 6: Final answer
x = 4,872,504.15
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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.