Finding the Fourth Proportional to 5,678,927.12, 7,837,606.68 and 3,232,133.12
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Solution
The fourth proportional to 5,678,927.12, 7,837,606.68 and 3,232,133.12 is: 4,460,734.85
Step by Step Solution
- Step 1: Write the proportion equation
5,678,927.12 : 7,837,606.68 = 3,232,133.12 : x - Step 2: Convert to fraction form
5,678,927.12/7,837,606.68 = 3,232,133.12/x - Step 3: Cross multiply
5,678,927.12x = 7,837,606.68 × 3,232,133.12 - Step 4: Simplify right side
5,678,927.12x = 25,332,188,131,961.24 - Step 5: Solve for x
x = 25,332,188,131,961.24/5,678,927.12 - Step 6: Final answer
x = 4,460,734.85
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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.