Finding the Fourth Proportional to 2,906,905.96, 4,361,056.86 and 912,361.96
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Solution
The fourth proportional to 2,906,905.96, 4,361,056.86 and 912,361.96 is: 1,368,761.99
Step by Step Solution
- Step 1: Write the proportion equation
2,906,905.96 : 4,361,056.86 = 912,361.96 : x - Step 2: Convert to fraction form
2,906,905.96/4,361,056.86 = 912,361.96/x - Step 3: Cross multiply
2,906,905.96x = 4,361,056.86 × 912,361.96 - Step 4: Simplify right side
2,906,905.96x = 3,978,862,384,461.05 - Step 5: Solve for x
x = 3,978,862,384,461.05/2,906,905.96 - Step 6: Final answer
x = 1,368,761.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.