Finding the Fourth Proportional to 4,523,885.10, 6,786,811.80 and 1,490,734.80
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Solution
The fourth proportional to 4,523,885.10, 6,786,811.80 and 1,490,734.80 is: 2,236,426.50
Step by Step Solution
- Step 1: Write the proportion equation
4,523,885.10 : 6,786,811.80 = 1,490,734.80 : x - Step 2: Convert to fraction form
4,523,885.10/6,786,811.80 = 1,490,734.80/x - Step 3: Cross multiply
4,523,885.10x = 6,786,811.80 × 1,490,734.80 - Step 4: Simplify right side
4,523,885.10x = 10,117,336,531,310.64 - Step 5: Solve for x
x = 10,117,336,531,310.64/4,523,885.10 - Step 6: Final answer
x = 2,236,426.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.