Finding the Fourth Proportional to 2,998,477.68, 4,137,996.96 and 1,640,350.68
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Solution
The fourth proportional to 2,998,477.68, 4,137,996.96 and 1,640,350.68 is: 2,263,737.42
Step by Step Solution
- Step 1: Write the proportion equation
2,998,477.68 : 4,137,996.96 = 1,640,350.68 : x - Step 2: Convert to fraction form
2,998,477.68/4,137,996.96 = 1,640,350.68/x - Step 3: Cross multiply
2,998,477.68x = 4,137,996.96 × 1,640,350.68 - Step 4: Simplify right side
2,998,477.68x = 6,787,766,127,173.93 - Step 5: Solve for x
x = 6,787,766,127,173.93/2,998,477.68 - Step 6: Final answer
x = 2,263,737.42
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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.