Finding the Fourth Proportional to 1,438,515.24, 1,985,141.26 and 793,935.42
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Solution
The fourth proportional to 1,438,515.24, 1,985,141.26 and 793,935.42 is: 1,095,625.49
Step by Step Solution
- Step 1: Write the proportion equation
1,438,515.24 : 1,985,141.26 = 793,935.42 : x - Step 2: Convert to fraction form
1,438,515.24/1,985,141.26 = 793,935.42/x - Step 3: Cross multiply
1,438,515.24x = 1,985,141.26 × 793,935.42 - Step 4: Simplify right side
1,438,515.24x = 1,576,073,960,017.43 - Step 5: Solve for x
x = 1,576,073,960,017.43/1,438,515.24 - Step 6: Final answer
x = 1,095,625.49
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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.