Finding the Fourth Proportional to 6,688,350.40, 9,229,614.62 and 3,787,762.02
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Solution
The fourth proportional to 6,688,350.40, 9,229,614.62 and 3,787,762.02 is: 5,226,936.63
Step by Step Solution
- Step 1: Write the proportion equation
6,688,350.40 : 9,229,614.62 = 3,787,762.02 : x - Step 2: Convert to fraction form
6,688,350.40/9,229,614.62 = 3,787,762.02/x - Step 3: Cross multiply
6,688,350.40x = 9,229,614.62 × 3,787,762.02 - Step 4: Simplify right side
6,688,350.40x = 34,959,583,716,872.73 - Step 5: Solve for x
x = 34,959,583,716,872.73/6,688,350.40 - Step 6: Final answer
x = 5,226,936.63
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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.