Finding the Fourth Proportional to 3,576,431.70, 5,364,647.55 and 3,186,708.30
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Solution
The fourth proportional to 3,576,431.70, 5,364,647.55 and 3,186,708.30 is: 4,780,062.45
Step by Step Solution
- Step 1: Write the proportion equation
3,576,431.70 : 5,364,647.55 = 3,186,708.30 : x - Step 2: Convert to fraction form
3,576,431.70/5,364,647.55 = 3,186,708.30/x - Step 3: Cross multiply
3,576,431.70x = 5,364,647.55 × 3,186,708.30 - Step 4: Simplify right side
3,576,431.70x = 17,095,566,874,159.66 - Step 5: Solve for x
x = 17,095,566,874,159.66/3,576,431.70 - Step 6: Final answer
x = 4,780,062.45
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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.