Finding the Fourth Proportional to 7,782,918.49, 11,661,567.75 and 2,662,549.30
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Solution
The fourth proportional to 7,782,918.49, 11,661,567.75 and 2,662,549.30 is: 3,989,441.63
Step by Step Solution
- Step 1: Write the proportion equation
7,782,918.49 : 11,661,567.75 = 2,662,549.30 : x - Step 2: Convert to fraction form
7,782,918.49/11,661,567.75 = 2,662,549.30/x - Step 3: Cross multiply
7,782,918.49x = 11,661,567.75 × 2,662,549.30 - Step 4: Simplify right side
7,782,918.49x = 31,049,499,064,242.04 - Step 5: Solve for x
x = 31,049,499,064,242.04/7,782,918.49 - Step 6: Final answer
x = 3,989,441.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.