Finding the Fourth Proportional to 1,843,358.40, 2,543,847.12 and 1,027,613.88
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Solution
The fourth proportional to 1,843,358.40, 2,543,847.12 and 1,027,613.88 is: 1,418,114.14
Step by Step Solution
- Step 1: Write the proportion equation
1,843,358.40 : 2,543,847.12 = 1,027,613.88 : x - Step 2: Convert to fraction form
1,843,358.40/2,543,847.12 = 1,027,613.88/x - Step 3: Cross multiply
1,843,358.40x = 2,543,847.12 × 1,027,613.88 - Step 4: Simplify right side
1,843,358.40x = 2,614,092,609,110.03 - Step 5: Solve for x
x = 2,614,092,609,110.03/1,843,358.40 - Step 6: Final answer
x = 1,418,114.14
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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.