Finding the Fourth Proportional to 3,451,423.57, 5,177,135.36 and 1,055,268.21
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Solution
The fourth proportional to 3,451,423.57, 5,177,135.36 and 1,055,268.21 is: 1,582,902.32
Step by Step Solution
- Step 1: Write the proportion equation
3,451,423.57 : 5,177,135.36 = 1,055,268.21 : x - Step 2: Convert to fraction form
3,451,423.57/5,177,135.36 = 1,055,268.21/x - Step 3: Cross multiply
3,451,423.57x = 5,177,135.36 × 1,055,268.21 - Step 4: Simplify right side
3,451,423.57x = 5,463,266,364,274.91 - Step 5: Solve for x
x = 5,463,266,364,274.91/3,451,423.57 - Step 6: Final answer
x = 1,582,902.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.