Finding the Fourth Proportional to 2,291,986.69, 3,163,040.04 and 1,273,391.44
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Solution
The fourth proportional to 2,291,986.69, 3,163,040.04 and 1,273,391.44 is: 1,757,334.86
Step by Step Solution
- Step 1: Write the proportion equation
2,291,986.69 : 3,163,040.04 = 1,273,391.44 : x - Step 2: Convert to fraction form
2,291,986.69/3,163,040.04 = 1,273,391.44/x - Step 3: Cross multiply
2,291,986.69x = 3,163,040.04 × 1,273,391.44 - Step 4: Simplify right side
2,291,986.69x = 4,027,788,108,180.88 - Step 5: Solve for x
x = 4,027,788,108,180.88/2,291,986.69 - Step 6: Final answer
x = 1,757,334.86
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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.