Finding the Fourth Proportional to 3,699,367.68, 5,105,125.56 and 2,171,474.76
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Solution
The fourth proportional to 3,699,367.68, 5,105,125.56 and 2,171,474.76 is: 2,996,634.09
Step by Step Solution
- Step 1: Write the proportion equation
3,699,367.68 : 5,105,125.56 = 2,171,474.76 : x - Step 2: Convert to fraction form
3,699,367.68/5,105,125.56 = 2,171,474.76/x - Step 3: Cross multiply
3,699,367.68x = 5,105,125.56 × 2,171,474.76 - Step 4: Simplify right side
3,699,367.68x = 11,085,651,300,170.86 - Step 5: Solve for x
x = 11,085,651,300,170.86/3,699,367.68 - Step 6: Final answer
x = 2,996,634.09
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1.5x scale
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.