Finding the Fourth Proportional to 5,512,938.74, 7,607,861.70 and 3,065,497.21
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Solution
The fourth proportional to 5,512,938.74, 7,607,861.70 and 3,065,497.21 is: 4,230,389.62
Step by Step Solution
- Step 1: Write the proportion equation
5,512,938.74 : 7,607,861.70 = 3,065,497.21 : x - Step 2: Convert to fraction form
5,512,938.74/7,607,861.70 = 3,065,497.21/x - Step 3: Cross multiply
5,512,938.74x = 7,607,861.70 × 3,065,497.21 - Step 4: Simplify right side
5,512,938.74x = 23,321,878,800,088.37 - Step 5: Solve for x
x = 23,321,878,800,088.37/5,512,938.74 - Step 6: Final answer
x = 4,230,389.62
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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.