Finding the Fourth Proportional to 3,107,282.46, 4,286,888.52 and 3,102,491.70
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Solution
The fourth proportional to 3,107,282.46, 4,286,888.52 and 3,102,491.70 is: 4,280,279.06
Step by Step Solution
- Step 1: Write the proportion equation
3,107,282.46 : 4,286,888.52 = 3,102,491.70 : x - Step 2: Convert to fraction form
3,107,282.46/4,286,888.52 = 3,102,491.70/x - Step 3: Cross multiply
3,107,282.46x = 4,286,888.52 × 3,102,491.70 - Step 4: Simplify right side
3,107,282.46x = 13,300,036,052,125.28 - Step 5: Solve for x
x = 13,300,036,052,125.28/3,107,282.46 - Step 6: Final answer
x = 4,280,279.06
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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.