Finding the Fourth Proportional to 6,115,496.09, 8,439,390.01 and 3,362,230.35
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Solution
The fourth proportional to 6,115,496.09, 8,439,390.01 and 3,362,230.35 is: 4,639,880.86
Step by Step Solution
- Step 1: Write the proportion equation
6,115,496.09 : 8,439,390.01 = 3,362,230.35 : x - Step 2: Convert to fraction form
6,115,496.09/8,439,390.01 = 3,362,230.35/x - Step 3: Cross multiply
6,115,496.09x = 8,439,390.01 × 3,362,230.35 - Step 4: Simplify right side
6,115,496.09x = 28,375,173,227,108.80 - Step 5: Solve for x
x = 28,375,173,227,108.80/6,115,496.09 - Step 6: Final answer
x = 4,639,880.86
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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.