Finding the Fourth Proportional to 1,318,844.73, 1,977,990.27 and 371,994.02
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Solution
The fourth proportional to 1,318,844.73, 1,977,990.27 and 371,994.02 is: 557,912.94
Step by Step Solution
- Step 1: Write the proportion equation
1,318,844.73 : 1,977,990.27 = 371,994.02 : x - Step 2: Convert to fraction form
1,318,844.73/1,977,990.27 = 371,994.02/x - Step 3: Cross multiply
1,318,844.73x = 1,977,990.27 × 371,994.02 - Step 4: Simplify right side
1,318,844.73x = 735,800,548,190.72 - Step 5: Solve for x
x = 735,800,548,190.72/1,318,844.73 - Step 6: Final answer
x = 557,912.94
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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.