Finding the Fourth Proportional to 3,723,842.84, 5,585,754.18 and 991,390.28
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Solution
The fourth proportional to 3,723,842.84, 5,585,754.18 and 991,390.28 is: 1,487,082.74
Step by Step Solution
- Step 1: Write the proportion equation
3,723,842.84 : 5,585,754.18 = 991,390.28 : x - Step 2: Convert to fraction form
3,723,842.84/5,585,754.18 = 991,390.28/x - Step 3: Cross multiply
3,723,842.84x = 5,585,754.18 × 991,390.28 - Step 4: Simplify right side
3,723,842.84x = 5,537,662,400,521.37 - Step 5: Solve for x
x = 5,537,662,400,521.37/3,723,842.84 - Step 6: Final answer
x = 1,487,082.74
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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.