Finding the Fourth Proportional to 3,397,202.11, 4,688,268.27 and 1,947,177.37
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Solution
The fourth proportional to 3,397,202.11, 4,688,268.27 and 1,947,177.37 is: 2,687,178.91
Step by Step Solution
- Step 1: Write the proportion equation
3,397,202.11 : 4,688,268.27 = 1,947,177.37 : x - Step 2: Convert to fraction form
3,397,202.11/4,688,268.27 = 1,947,177.37/x - Step 3: Cross multiply
3,397,202.11x = 4,688,268.27 × 1,947,177.37 - Step 4: Simplify right side
3,397,202.11x = 9,128,889,879,833.05 - Step 5: Solve for x
x = 9,128,889,879,833.05/3,397,202.11 - Step 6: Final answer
x = 2,687,178.91
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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.