Finding the Fourth Proportional to 1,318,521.26, 1,819,473.27 and 737,645.15
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Solution
The fourth proportional to 1,318,521.26, 1,819,473.27 and 737,645.15 is: 1,017,902.15
Step by Step Solution
- Step 1: Write the proportion equation
1,318,521.26 : 1,819,473.27 = 737,645.15 : x - Step 2: Convert to fraction form
1,318,521.26/1,819,473.27 = 737,645.15/x - Step 3: Cross multiply
1,318,521.26x = 1,819,473.27 × 737,645.15 - Step 4: Simplify right side
1,318,521.26x = 1,342,125,624,072.77 - Step 5: Solve for x
x = 1,342,125,624,072.77/1,318,521.26 - Step 6: Final answer
x = 1,017,902.15
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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.