Finding the Fourth Proportional to 3,427,933.92, 4,730,887.07 and 1,958,062.05
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Solution
The fourth proportional to 3,427,933.92, 4,730,887.07 and 1,958,062.05 is: 2,702,318.84
Step by Step Solution
- Step 1: Write the proportion equation
3,427,933.92 : 4,730,887.07 = 1,958,062.05 : x - Step 2: Convert to fraction form
3,427,933.92/4,730,887.07 = 1,958,062.05/x - Step 3: Cross multiply
3,427,933.92x = 4,730,887.07 × 1,958,062.05 - Step 4: Simplify right side
3,427,933.92x = 9,263,370,424,812.39 - Step 5: Solve for x
x = 9,263,370,424,812.39/3,427,933.92 - Step 6: Final answer
x = 2,702,318.84
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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.