Finding the Fourth Proportional to 3,425,478.10, 4,727,163.44 and 1,855,613.58
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Solution
The fourth proportional to 3,425,478.10, 4,727,163.44 and 1,855,613.58 is: 2,560,748.72
Step by Step Solution
- Step 1: Write the proportion equation
3,425,478.10 : 4,727,163.44 = 1,855,613.58 : x - Step 2: Convert to fraction form
3,425,478.10/4,727,163.44 = 1,855,613.58/x - Step 3: Cross multiply
3,425,478.10x = 4,727,163.44 × 1,855,613.58 - Step 4: Simplify right side
3,425,478.10x = 8,771,788,674,143.52 - Step 5: Solve for x
x = 8,771,788,674,143.52/3,425,478.10 - Step 6: Final answer
x = 2,560,748.72
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1.5x scale
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.