Finding the Fourth Proportional to 3,155,042.58, 4,354,850.67 and 1,866,330.96
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Solution
The fourth proportional to 3,155,042.58, 4,354,850.67 and 1,866,330.96 is: 2,576,064.32
Step by Step Solution
- Step 1: Write the proportion equation
3,155,042.58 : 4,354,850.67 = 1,866,330.96 : x - Step 2: Convert to fraction form
3,155,042.58/4,354,850.67 = 1,866,330.96/x - Step 3: Cross multiply
3,155,042.58x = 4,354,850.67 × 1,866,330.96 - Step 4: Simplify right side
3,155,042.58x = 8,127,592,631,597.74 - Step 5: Solve for x
x = 8,127,592,631,597.74/3,155,042.58 - Step 6: Final answer
x = 2,576,064.32
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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.