Finding the Fourth Proportional to 4,719,708.09, 6,513,697.20 and 2,885,240.34
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Solution
The fourth proportional to 4,719,708.09, 6,513,697.20 and 2,885,240.34 is: 3,981,937.35
Step by Step Solution
- Step 1: Write the proportion equation
4,719,708.09 : 6,513,697.20 = 2,885,240.34 : x - Step 2: Convert to fraction form
4,719,708.09/6,513,697.20 = 2,885,240.34/x - Step 3: Cross multiply
4,719,708.09x = 6,513,697.20 × 2,885,240.34 - Step 4: Simplify right side
4,719,708.09x = 18,793,581,923,985.05 - Step 5: Solve for x
x = 18,793,581,923,985.05/4,719,708.09 - Step 6: Final answer
x = 3,981,937.35
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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.