Finding the Fourth Proportional to 2,427,872.40, 3,350,464.04 and 1,340,144.24
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Solution
The fourth proportional to 2,427,872.40, 3,350,464.04 and 1,340,144.24 is: 1,849,399.12
Step by Step Solution
- Step 1: Write the proportion equation
2,427,872.40 : 3,350,464.04 = 1,340,144.24 : x - Step 2: Convert to fraction form
2,427,872.40/3,350,464.04 = 1,340,144.24/x - Step 3: Cross multiply
2,427,872.40x = 3,350,464.04 × 1,340,144.24 - Step 4: Simplify right side
2,427,872.40x = 4,490,105,084,533.13 - Step 5: Solve for x
x = 4,490,105,084,533.13/2,427,872.40 - Step 6: Final answer
x = 1,849,399.12
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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.