Finding the Fourth Proportional to 4,573,518.72, 6,311,000.64 and 2,640,403.20
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Solution
The fourth proportional to 4,573,518.72, 6,311,000.64 and 2,640,403.20 is: 3,643,493.62
Step by Step Solution
- Step 1: Write the proportion equation
4,573,518.72 : 6,311,000.64 = 2,640,403.20 : x - Step 2: Convert to fraction form
4,573,518.72/6,311,000.64 = 2,640,403.20/x - Step 3: Cross multiply
4,573,518.72x = 6,311,000.64 × 2,640,403.20 - Step 4: Simplify right side
4,573,518.72x = 16,663,586,285,058.05 - Step 5: Solve for x
x = 16,663,586,285,058.05/4,573,518.72 - Step 6: Final answer
x = 3,643,493.62
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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.