Finding the Fourth Proportional to 1,626,991.70, 2,245,356.60 and 901,869.98
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Solution
The fourth proportional to 1,626,991.70, 2,245,356.60 and 901,869.98 is: 1,244,640.47
Step by Step Solution
- Step 1: Write the proportion equation
1,626,991.70 : 2,245,356.60 = 901,869.98 : x - Step 2: Convert to fraction form
1,626,991.70/2,245,356.60 = 901,869.98/x - Step 3: Cross multiply
1,626,991.70x = 2,245,356.60 × 901,869.98 - Step 4: Simplify right side
1,626,991.70x = 2,025,019,711,934.87 - Step 5: Solve for x
x = 2,025,019,711,934.87/1,626,991.70 - Step 6: Final answer
x = 1,244,640.47
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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.