Finding the Fourth Proportional to 1,318,522.26, 1,819,474.65 and 737,646.15
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Solution
The fourth proportional to 1,318,522.26, 1,819,474.65 and 737,646.15 is: 1,017,903.54
Step by Step Solution
- Step 1: Write the proportion equation
1,318,522.26 : 1,819,474.65 = 737,646.15 : x - Step 2: Convert to fraction form
1,318,522.26/1,819,474.65 = 737,646.15/x - Step 3: Cross multiply
1,318,522.26x = 1,819,474.65 × 737,646.15 - Step 4: Simplify right side
1,318,522.26x = 1,342,128,470,595.10 - Step 5: Solve for x
x = 1,342,128,470,595.10/1,318,522.26 - Step 6: Final answer
x = 1,017,903.54
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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.