Finding the Fourth Proportional to 6,115,504.74, 8,439,401.97 and 3,362,239.05
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Solution
The fourth proportional to 6,115,504.74, 8,439,401.97 and 3,362,239.05 is: 4,639,892.87
Step by Step Solution
- Step 1: Write the proportion equation
6,115,504.74 : 8,439,401.97 = 3,362,239.05 : x - Step 2: Convert to fraction form
6,115,504.74/8,439,401.97 = 3,362,239.05/x - Step 3: Cross multiply
6,115,504.74x = 8,439,401.97 × 3,362,239.05 - Step 4: Simplify right side
6,115,504.74x = 28,375,286,862,180.93 - Step 5: Solve for x
x = 28,375,286,862,180.93/6,115,504.74 - Step 6: Final answer
x = 4,639,892.87
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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.