Finding the Fourth Proportional to 5,517,135.63, 7,613,574.08 and 3,102,687.63
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Solution
The fourth proportional to 5,517,135.63, 7,613,574.08 and 3,102,687.63 is: 4,281,667.82
Step by Step Solution
- Step 1: Write the proportion equation
5,517,135.63 : 7,613,574.08 = 3,102,687.63 : x - Step 2: Convert to fraction form
5,517,135.63/7,613,574.08 = 3,102,687.63/x - Step 3: Cross multiply
5,517,135.63x = 7,613,574.08 × 3,102,687.63 - Step 4: Simplify right side
5,517,135.63x = 23,622,542,102,591.19 - Step 5: Solve for x
x = 23,622,542,102,591.19/5,517,135.63 - Step 6: Final answer
x = 4,281,667.82
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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.