Finding the Fourth Proportional to 3,826,349.34, 5,280,961.80 and 2,256,653.70
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Solution
The fourth proportional to 3,826,349.34, 5,280,961.80 and 2,256,653.70 is: 3,114,535.80
Step by Step Solution
- Step 1: Write the proportion equation
3,826,349.34 : 5,280,961.80 = 2,256,653.70 : x - Step 2: Convert to fraction form
3,826,349.34/5,280,961.80 = 2,256,653.70/x - Step 3: Cross multiply
3,826,349.34x = 5,280,961.80 × 2,256,653.70 - Step 4: Simplify right side
3,826,349.34x = 11,917,301,985,528.66 - Step 5: Solve for x
x = 11,917,301,985,528.66/3,826,349.34 - Step 6: Final answer
x = 3,114,535.80
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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.