Finding the Fourth Proportional to 2,151,715.75, 2,969,367.73 and 1,184,843.75
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Solution
The fourth proportional to 2,151,715.75, 2,969,367.73 and 1,184,843.75 is: 1,635,084.37
Step by Step Solution
- Step 1: Write the proportion equation
2,151,715.75 : 2,969,367.73 = 1,184,843.75 : x - Step 2: Convert to fraction form
2,151,715.75/2,969,367.73 = 1,184,843.75/x - Step 3: Cross multiply
2,151,715.75x = 2,969,367.73 × 1,184,843.75 - Step 4: Simplify right side
2,151,715.75x = 3,518,236,778,533.24 - Step 5: Solve for x
x = 3,518,236,778,533.24/2,151,715.75 - Step 6: Final answer
x = 1,635,084.37
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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.