Finding the Fourth Proportional to 5,626,490.70, 8,439,736.16 and 1,366,630.23
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Solution
The fourth proportional to 5,626,490.70, 8,439,736.16 and 1,366,630.23 is: 2,049,945.37
Step by Step Solution
- Step 1: Write the proportion equation
5,626,490.70 : 8,439,736.16 = 1,366,630.23 : x - Step 2: Convert to fraction form
5,626,490.70/8,439,736.16 = 1,366,630.23/x - Step 3: Cross multiply
5,626,490.70x = 8,439,736.16 × 1,366,630.23 - Step 4: Simplify right side
5,626,490.70x = 11,533,998,569,480.12 - Step 5: Solve for x
x = 11,533,998,569,480.12/5,626,490.70 - Step 6: Final answer
x = 2,049,945.37
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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.