Finding the Fourth Proportional to 3,158,894.07, 4,738,931.60 and 1,265,783.13
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Solution
The fourth proportional to 3,158,894.07, 4,738,931.60 and 1,265,783.13 is: 1,898,911.31
Step by Step Solution
- Step 1: Write the proportion equation
3,158,894.07 : 4,738,931.60 = 1,265,783.13 : x - Step 2: Convert to fraction form
3,158,894.07/4,738,931.60 = 1,265,783.13/x - Step 3: Cross multiply
3,158,894.07x = 4,738,931.60 × 1,265,783.13 - Step 4: Simplify right side
3,158,894.07x = 5,998,459,667,174.99 - Step 5: Solve for x
x = 5,998,459,667,174.99/3,158,894.07 - Step 6: Final answer
x = 1,898,911.31
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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.