Finding the Fourth Proportional to 2,811,613.23, 3,880,312.68 and 2,027,324.31
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Solution
The fourth proportional to 2,811,613.23, 3,880,312.68 and 2,027,324.31 is: 2,797,914.07
Step by Step Solution
- Step 1: Write the proportion equation
2,811,613.23 : 3,880,312.68 = 2,027,324.31 : x - Step 2: Convert to fraction form
2,811,613.23/3,880,312.68 = 2,027,324.31/x - Step 3: Cross multiply
2,811,613.23x = 3,880,312.68 × 2,027,324.31 - Step 4: Simplify right side
2,811,613.23x = 7,866,652,226,565.25 - Step 5: Solve for x
x = 7,866,652,226,565.25/2,811,613.23 - Step 6: Final answer
x = 2,797,914.07
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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.