Finding the Fourth Proportional to 2,202,843.02, 3,038,922.12 and 1,428,669.12
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Solution
The fourth proportional to 2,202,843.02, 3,038,922.12 and 1,428,669.12 is: 1,970,914.02
Step by Step Solution
- Step 1: Write the proportion equation
2,202,843.02 : 3,038,922.12 = 1,428,669.12 : x - Step 2: Convert to fraction form
2,202,843.02/3,038,922.12 = 1,428,669.12/x - Step 3: Cross multiply
2,202,843.02x = 3,038,922.12 × 1,428,669.12 - Step 4: Simplify right side
2,202,843.02x = 4,341,614,183,785.59 - Step 5: Solve for x
x = 4,341,614,183,785.59/2,202,843.02 - Step 6: Final answer
x = 1,970,914.02
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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.