Finding the Fourth Proportional to 5,391,885.81, 8,087,900.21 and 1,797,653.91
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Solution
The fourth proportional to 5,391,885.81, 8,087,900.21 and 1,797,653.91 is: 2,696,504.70
Step by Step Solution
- Step 1: Write the proportion equation
5,391,885.81 : 8,087,900.21 = 1,797,653.91 : x - Step 2: Convert to fraction form
5,391,885.81/8,087,900.21 = 1,797,653.91/x - Step 3: Cross multiply
5,391,885.81x = 8,087,900.21 × 1,797,653.91 - Step 4: Simplify right side
5,391,885.81x = 14,539,245,436,196.32 - Step 5: Solve for x
x = 14,539,245,436,196.32/5,391,885.81 - Step 6: Final answer
x = 2,696,504.70
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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.