Finding the Fourth Proportional to 6,874,519, 10,311,712.84 and 4,179,588.25
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Solution
The fourth proportional to 6,874,519, 10,311,712.84 and 4,179,588.25 is: 6,269,342.45
Step by Step Solution
- Step 1: Write the proportion equation
6,874,519 : 10,311,712.84 = 4,179,588.25 : x - Step 2: Convert to fraction form
6,874,519/10,311,712.84 = 4,179,588.25/x - Step 3: Cross multiply
6,874,519x = 10,311,712.84 × 4,179,588.25 - Step 4: Simplify right side
6,874,519x = 43,098,713,823,438.13 - Step 5: Solve for x
x = 43,098,713,823,438.13/6,874,519 - Step 6: Final answer
x = 6,269,342.45
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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.