Finding the Fourth Proportional to 5,286,251.65, 7,281,382.14 and 3,734,820.23
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Solution
The fourth proportional to 5,286,251.65, 7,281,382.14 and 3,734,820.23 is: 5,144,411.41
Step by Step Solution
- Step 1: Write the proportion equation
5,286,251.65 : 7,281,382.14 = 3,734,820.23 : x - Step 2: Convert to fraction form
5,286,251.65/7,281,382.14 = 3,734,820.23/x - Step 3: Cross multiply
5,286,251.65x = 7,281,382.14 × 3,734,820.23 - Step 4: Simplify right side
5,286,251.65x = 27,194,653,328,900.93 - Step 5: Solve for x
x = 27,194,653,328,900.93/5,286,251.65 - Step 6: Final answer
x = 5,144,411.41
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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.