Finding the Fourth Proportional to 5,478,630.75, 7,560,536.36 and 3,064,182.75
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Solution
The fourth proportional to 5,478,630.75, 7,560,536.36 and 3,064,182.75 is: 4,228,586.69
Step by Step Solution
- Step 1: Write the proportion equation
5,478,630.75 : 7,560,536.36 = 3,064,182.75 : x - Step 2: Convert to fraction form
5,478,630.75/7,560,536.36 = 3,064,182.75/x - Step 3: Cross multiply
5,478,630.75x = 7,560,536.36 × 3,064,182.75 - Step 4: Simplify right side
5,478,630.75x = 23,166,865,079,738.88 - Step 5: Solve for x
x = 23,166,865,079,738.88/5,478,630.75 - Step 6: Final answer
x = 4,228,586.69
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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.