Finding the Fourth Proportional to 6,315,384.25, 8,715,236.44 and 3,414,774.35
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Solution
The fourth proportional to 6,315,384.25, 8,715,236.44 and 3,414,774.35 is: 4,712,391.94
Step by Step Solution
- Step 1: Write the proportion equation
6,315,384.25 : 8,715,236.44 = 3,414,774.35 : x - Step 2: Convert to fraction form
6,315,384.25/8,715,236.44 = 3,414,774.35/x - Step 3: Cross multiply
6,315,384.25x = 8,715,236.44 × 3,414,774.35 - Step 4: Simplify right side
6,315,384.25x = 29,760,565,849,497.31 - Step 5: Solve for x
x = 29,760,565,849,497.31/6,315,384.25 - Step 6: Final answer
x = 4,712,391.94
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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.