Finding the Fourth Proportional to 3,173,635.96, 4,379,603.76 and 1,723,319.62
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Solution
The fourth proportional to 3,173,635.96, 4,379,603.76 and 1,723,319.62 is: 2,378,173.55
Step by Step Solution
- Step 1: Write the proportion equation
3,173,635.96 : 4,379,603.76 = 1,723,319.62 : x - Step 2: Convert to fraction form
3,173,635.96/4,379,603.76 = 1,723,319.62/x - Step 3: Cross multiply
3,173,635.96x = 4,379,603.76 × 1,723,319.62 - Step 4: Simplify right side
3,173,635.96x = 7,547,457,087,433.77 - Step 5: Solve for x
x = 7,547,457,087,433.77/3,173,635.96 - Step 6: Final answer
x = 2,378,173.55
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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.