Finding the Fourth Proportional to 2,631,669.75, 3,631,715.19 and 1,424,445.75
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Solution
The fourth proportional to 2,631,669.75, 3,631,715.19 and 1,424,445.75 is: 1,965,741.05
Step by Step Solution
- Step 1: Write the proportion equation
2,631,669.75 : 3,631,715.19 = 1,424,445.75 : x - Step 2: Convert to fraction form
2,631,669.75/3,631,715.19 = 1,424,445.75/x - Step 3: Cross multiply
2,631,669.75x = 3,631,715.19 × 1,424,445.75 - Step 4: Simplify right side
2,631,669.75x = 5,173,181,267,605.94 - Step 5: Solve for x
x = 5,173,181,267,605.94/2,631,669.75 - Step 6: Final answer
x = 1,965,741.05
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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.