Finding the Fourth Proportional to 2,618,690.42, 3,613,250.90 and 1,530,751.62
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Solution
The fourth proportional to 2,618,690.42, 3,613,250.90 and 1,530,751.62 is: 2,112,120.48
Step by Step Solution
- Step 1: Write the proportion equation
2,618,690.42 : 3,613,250.90 = 1,530,751.62 : x - Step 2: Convert to fraction form
2,618,690.42/3,613,250.90 = 1,530,751.62/x - Step 3: Cross multiply
2,618,690.42x = 3,613,250.90 × 1,530,751.62 - Step 4: Simplify right side
2,618,690.42x = 5,530,989,668,641.46 - Step 5: Solve for x
x = 5,530,989,668,641.46/2,618,690.42 - Step 6: Final answer
x = 2,112,120.48
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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.