Finding the Fourth Proportional to 5,918,039.58, 8,166,896.37 and 3,340,266.42
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Solution
The fourth proportional to 5,918,039.58, 8,166,896.37 and 3,340,266.42 is: 4,609,568.65
Step by Step Solution
- Step 1: Write the proportion equation
5,918,039.58 : 8,166,896.37 = 3,340,266.42 : x - Step 2: Convert to fraction form
5,918,039.58/8,166,896.37 = 3,340,266.42/x - Step 3: Cross multiply
5,918,039.58x = 8,166,896.37 × 3,340,266.42 - Step 4: Simplify right side
5,918,039.58x = 27,279,609,700,330.89 - Step 5: Solve for x
x = 27,279,609,700,330.89/5,918,039.58 - Step 6: Final answer
x = 4,609,568.65
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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.