Finding the Fourth Proportional to 6,748,716.62, 9,313,203.69 and 3,651,230.03
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Solution
The fourth proportional to 6,748,716.62, 9,313,203.69 and 3,651,230.03 is: 5,038,683.78
Step by Step Solution
- Step 1: Write the proportion equation
6,748,716.62 : 9,313,203.69 = 3,651,230.03 : x - Step 2: Convert to fraction form
6,748,716.62/9,313,203.69 = 3,651,230.03/x - Step 3: Cross multiply
6,748,716.62x = 9,313,203.69 × 3,651,230.03 - Step 4: Simplify right side
6,748,716.62x = 34,004,648,988,434.81 - Step 5: Solve for x
x = 34,004,648,988,434.81/6,748,716.62 - Step 6: Final answer
x = 5,038,683.78
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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.