Finding the Fourth Proportional to 3,235,998.80, 4,855,747.80 and 1,342,931.60
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Solution
The fourth proportional to 3,235,998.80, 4,855,747.80 and 1,342,931.60 is: 2,015,123.48
Step by Step Solution
- Step 1: Write the proportion equation
3,235,998.80 : 4,855,747.80 = 1,342,931.60 : x - Step 2: Convert to fraction form
3,235,998.80/4,855,747.80 = 1,342,931.60/x - Step 3: Cross multiply
3,235,998.80x = 4,855,747.80 × 1,342,931.60 - Step 4: Simplify right side
3,235,998.80x = 6,520,937,162,250.48 - Step 5: Solve for x
x = 6,520,937,162,250.48/3,235,998.80 - Step 6: Final answer
x = 2,015,123.48
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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.