Finding the Fourth Proportional to 4,072,955.10, 6,104,183.85 and 3,121,610.10
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Solution
The fourth proportional to 4,072,955.10, 6,104,183.85 and 3,121,610.10 is: 4,678,392.34
Step by Step Solution
- Step 1: Write the proportion equation
4,072,955.10 : 6,104,183.85 = 3,121,610.10 : x - Step 2: Convert to fraction form
4,072,955.10/6,104,183.85 = 3,121,610.10/x - Step 3: Cross multiply
4,072,955.10x = 6,104,183.85 × 3,121,610.10 - Step 4: Simplify right side
4,072,955.10x = 19,054,881,958,416.88 - Step 5: Solve for x
x = 19,054,881,958,416.88/4,072,955.10 - Step 6: Final answer
x = 4,678,392.34
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1.5x scale
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.