Finding the Fourth Proportional to 3,244,812.99, 4,477,344.53 and 1,867,890.66
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Solution
The fourth proportional to 3,244,812.99, 4,477,344.53 and 1,867,890.66 is: 2,577,402.78
Step by Step Solution
- Step 1: Write the proportion equation
3,244,812.99 : 4,477,344.53 = 1,867,890.66 : x - Step 2: Convert to fraction form
3,244,812.99/4,477,344.53 = 1,867,890.66/x - Step 3: Cross multiply
3,244,812.99x = 4,477,344.53 × 1,867,890.66 - Step 4: Simplify right side
3,244,812.99x = 8,363,190,029,189.09 - Step 5: Solve for x
x = 8,363,190,029,189.09/3,244,812.99 - Step 6: Final answer
x = 2,577,402.78
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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.