Finding the Fourth Proportional to 2,668,933.68, 3,683,190.32 and 1,523,120.64
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Solution
The fourth proportional to 2,668,933.68, 3,683,190.32 and 1,523,120.64 is: 2,101,941.78
Step by Step Solution
- Step 1: Write the proportion equation
2,668,933.68 : 3,683,190.32 = 1,523,120.64 : x - Step 2: Convert to fraction form
2,668,933.68/3,683,190.32 = 1,523,120.64/x - Step 3: Cross multiply
2,668,933.68x = 3,683,190.32 × 1,523,120.64 - Step 4: Simplify right side
2,668,933.68x = 5,609,943,197,440.20 - Step 5: Solve for x
x = 5,609,943,197,440.20/2,668,933.68 - Step 6: Final answer
x = 2,101,941.78
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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.