Finding the Fourth Proportional to 5,308,795.67, 7,924,437.31 and 4,555,478.09
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Solution
The fourth proportional to 5,308,795.67, 7,924,437.31 and 4,555,478.09 is: 6,799,960.44
Step by Step Solution
- Step 1: Write the proportion equation
5,308,795.67 : 7,924,437.31 = 4,555,478.09 : x - Step 2: Convert to fraction form
5,308,795.67/7,924,437.31 = 4,555,478.09/x - Step 3: Cross multiply
5,308,795.67x = 7,924,437.31 × 4,555,478.09 - Step 4: Simplify right side
5,308,795.67x = 36,099,600,541,283.53 - Step 5: Solve for x
x = 36,099,600,541,283.53/5,308,795.67 - Step 6: Final answer
x = 6,799,960.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.