Finding the Fourth Proportional to 6,115,497.35, 8,439,391.74 and 3,362,231.61
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Solution
The fourth proportional to 6,115,497.35, 8,439,391.74 and 3,362,231.61 is: 4,639,882.59
Step by Step Solution
- Step 1: Write the proportion equation
6,115,497.35 : 8,439,391.74 = 3,362,231.61 : x - Step 2: Convert to fraction form
6,115,497.35/8,439,391.74 = 3,362,231.61/x - Step 3: Cross multiply
6,115,497.35x = 8,439,391.74 × 3,362,231.61 - Step 4: Simplify right side
6,115,497.35x = 28,375,189,677,400.90 - Step 5: Solve for x
x = 28,375,189,677,400.90/6,115,497.35 - Step 6: Final answer
x = 4,639,882.59
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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.