Finding the Fourth Proportional to 2,318,993.75, 3,478,490.62 and 1,256,111.75
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Solution
The fourth proportional to 2,318,993.75, 3,478,490.62 and 1,256,111.75 is: 1,884,167.62
Step by Step Solution
- Step 1: Write the proportion equation
2,318,993.75 : 3,478,490.62 = 1,256,111.75 : x - Step 2: Convert to fraction form
2,318,993.75/3,478,490.62 = 1,256,111.75/x - Step 3: Cross multiply
2,318,993.75x = 3,478,490.62 × 1,256,111.75 - Step 4: Simplify right side
2,318,993.75x = 4,369,372,945,602.73 - Step 5: Solve for x
x = 4,369,372,945,602.73/2,318,993.75 - Step 6: Final answer
x = 1,884,167.62
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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.