Finding the Fourth Proportional to 4,222,572.12, 5,826,993.36 and 2,288,791.18
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Solution
The fourth proportional to 4,222,572.12, 5,826,993.36 and 2,288,791.18 is: 3,158,447.18
Step by Step Solution
- Step 1: Write the proportion equation
4,222,572.12 : 5,826,993.36 = 2,288,791.18 : x - Step 2: Convert to fraction form
4,222,572.12/5,826,993.36 = 2,288,791.18/x - Step 3: Cross multiply
4,222,572.12x = 5,826,993.36 × 2,288,791.18 - Step 4: Simplify right side
4,222,572.12x = 13,336,771,006,987.34 - Step 5: Solve for x
x = 13,336,771,006,987.34/4,222,572.12 - Step 6: Final answer
x = 3,158,447.18
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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.