Finding the Fourth Proportional to 5,419,287.91, 8,128,931.97 and 1,824,753.94
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Solution
The fourth proportional to 5,419,287.91, 8,128,931.97 and 1,824,753.94 is: 2,737,130.95
Step by Step Solution
- Step 1: Write the proportion equation
5,419,287.91 : 8,128,931.97 = 1,824,753.94 : x - Step 2: Convert to fraction form
5,419,287.91/8,128,931.97 = 1,824,753.94/x - Step 3: Cross multiply
5,419,287.91x = 8,128,931.97 × 1,824,753.94 - Step 4: Simplify right side
5,419,287.91x = 14,833,300,640,249.46 - Step 5: Solve for x
x = 14,833,300,640,249.46/5,419,287.91 - Step 6: Final answer
x = 2,737,130.95
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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.