Finding the Fourth Proportional to 5,915,609.50, 8,163,541.11 and 3,199,355.50
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Solution
The fourth proportional to 5,915,609.50, 8,163,541.11 and 3,199,355.50 is: 4,415,110.59
Step by Step Solution
- Step 1: Write the proportion equation
5,915,609.50 : 8,163,541.11 = 3,199,355.50 : x - Step 2: Convert to fraction form
5,915,609.50/8,163,541.11 = 3,199,355.50/x - Step 3: Cross multiply
5,915,609.50x = 8,163,541.11 × 3,199,355.50 - Step 4: Simplify right side
5,915,609.50x = 26,118,070,149,754.61 - Step 5: Solve for x
x = 26,118,070,149,754.61/5,915,609.50 - Step 6: Final answer
x = 4,415,110.59
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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.