Finding the Fourth Proportional to 2,764,683.79, 4,146,403.60 and 991,755.79
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Solution
The fourth proportional to 2,764,683.79, 4,146,403.60 and 991,755.79 is: 1,487,410.53
Step by Step Solution
- Step 1: Write the proportion equation
2,764,683.79 : 4,146,403.60 = 991,755.79 : x - Step 2: Convert to fraction form
2,764,683.79/4,146,403.60 = 991,755.79/x - Step 3: Cross multiply
2,764,683.79x = 4,146,403.60 × 991,755.79 - Step 4: Simplify right side
2,764,683.79x = 4,112,219,777,976.84 - Step 5: Solve for x
x = 4,112,219,777,976.84/2,764,683.79 - Step 6: Final answer
x = 1,487,410.53
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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.