Finding the Fourth Proportional to 5,475,638.93, 8,212,830.89 and 1,432,516.91
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Solution
The fourth proportional to 5,475,638.93, 8,212,830.89 and 1,432,516.91 is: 2,148,611.19
Step by Step Solution
- Step 1: Write the proportion equation
5,475,638.93 : 8,212,830.89 = 1,432,516.91 : x - Step 2: Convert to fraction form
5,475,638.93/8,212,830.89 = 1,432,516.91/x - Step 3: Cross multiply
5,475,638.93x = 8,212,830.89 × 1,432,516.91 - Step 4: Simplify right side
5,475,638.93x = 11,765,019,080,668.61 - Step 5: Solve for x
x = 11,765,019,080,668.61/5,475,638.93 - Step 6: Final answer
x = 2,148,611.19
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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.