Finding the Fourth Proportional to 1,545,219.70, 2,318,813.70 and 905,522.20
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Solution
The fourth proportional to 1,545,219.70, 2,318,813.70 and 905,522.20 is: 1,358,860.03
Step by Step Solution
- Step 1: Write the proportion equation
1,545,219.70 : 2,318,813.70 = 905,522.20 : x - Step 2: Convert to fraction form
1,545,219.70/2,318,813.70 = 905,522.20/x - Step 3: Cross multiply
1,545,219.70x = 2,318,813.70 × 905,522.20 - Step 4: Simplify right side
1,545,219.70x = 2,099,737,283,014.14 - Step 5: Solve for x
x = 2,099,737,283,014.14/1,545,219.70 - Step 6: Final answer
x = 1,358,860.03
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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.