Finding the Fourth Proportional to 3,112,512.24, 4,295,597.12 and 1,824,434.85
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Solution
The fourth proportional to 3,112,512.24, 4,295,597.12 and 1,824,434.85 is: 2,517,913.66
Step by Step Solution
- Step 1: Write the proportion equation
3,112,512.24 : 4,295,597.12 = 1,824,434.85 : x - Step 2: Convert to fraction form
3,112,512.24/4,295,597.12 = 1,824,434.85/x - Step 3: Cross multiply
3,112,512.24x = 4,295,597.12 × 1,824,434.85 - Step 4: Simplify right side
3,112,512.24x = 7,837,037,078,165.46 - Step 5: Solve for x
x = 7,837,037,078,165.46/3,112,512.24 - Step 6: Final answer
x = 2,517,913.66
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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.