Finding the Fourth Proportional to 5,283,684.81, 7,291,361.68 and 3,108,368.05
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Solution
The fourth proportional to 5,283,684.81, 7,291,361.68 and 3,108,368.05 is: 4,289,475.33
Step by Step Solution
- Step 1: Write the proportion equation
5,283,684.81 : 7,291,361.68 = 3,108,368.05 : x - Step 2: Convert to fraction form
5,283,684.81/7,291,361.68 = 3,108,368.05/x - Step 3: Cross multiply
5,283,684.81x = 7,291,361.68 × 3,108,368.05 - Step 4: Simplify right side
5,283,684.81x = 22,664,235,661,107 - Step 5: Solve for x
x = 22,664,235,661,107/5,283,684.81 - Step 6: Final answer
x = 4,289,475.33
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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.