Finding the Fourth Proportional to 3,962,771.12, 5,468,531.60 and 2,331,283.52
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Solution
The fourth proportional to 3,962,771.12, 5,468,531.60 and 2,331,283.52 is: 3,217,116.81
Step by Step Solution
- Step 1: Write the proportion equation
3,962,771.12 : 5,468,531.60 = 2,331,283.52 : x - Step 2: Convert to fraction form
3,962,771.12/5,468,531.60 = 2,331,283.52/x - Step 3: Cross multiply
3,962,771.12x = 5,468,531.60 × 2,331,283.52 - Step 4: Simplify right side
3,962,771.12x = 12,748,697,597,679.23 - Step 5: Solve for x
x = 12,748,697,597,679.23/3,962,771.12 - Step 6: Final answer
x = 3,217,116.81
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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.