Finding the Fourth Proportional to 5,486,689.62, 7,571,630.70 and 3,039,459.12
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Solution
The fourth proportional to 5,486,689.62, 7,571,630.70 and 3,039,459.12 is: 4,194,453.05
Step by Step Solution
- Step 1: Write the proportion equation
5,486,689.62 : 7,571,630.70 = 3,039,459.12 : x - Step 2: Convert to fraction form
5,486,689.62/7,571,630.70 = 3,039,459.12/x - Step 3: Cross multiply
5,486,689.62x = 7,571,630.70 × 3,039,459.12 - Step 4: Simplify right side
5,486,689.62x = 23,013,661,984,386.98 - Step 5: Solve for x
x = 23,013,661,984,386.98/5,486,689.62 - Step 6: Final answer
x = 4,194,453.05
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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.