Finding the Fourth Proportional to 4,122,135.12, 6,173,428.29 and 3,266,455.57
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Solution
The fourth proportional to 4,122,135.12, 6,173,428.29 and 3,266,455.57 is: 4,891,937.95
Step by Step Solution
- Step 1: Write the proportion equation
4,122,135.12 : 6,173,428.29 = 3,266,455.57 : x - Step 2: Convert to fraction form
4,122,135.12/6,173,428.29 = 3,266,455.57/x - Step 3: Cross multiply
4,122,135.12x = 6,173,428.29 × 3,266,455.57 - Step 4: Simplify right side
4,122,135.12x = 20,165,229,223,866.07 - Step 5: Solve for x
x = 20,165,229,223,866.07/4,122,135.12 - Step 6: Final answer
x = 4,891,937.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.