Finding the Fourth Proportional to 2,578,614.12, 3,861,621 and 2,225,894.76
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Solution
The fourth proportional to 2,578,614.12, 3,861,621 and 2,225,894.76 is: 3,333,403.74
Step by Step Solution
- Step 1: Write the proportion equation
2,578,614.12 : 3,861,621 = 2,225,894.76 : x - Step 2: Convert to fraction form
2,578,614.12/3,861,621 = 2,225,894.76/x - Step 3: Cross multiply
2,578,614.12x = 3,861,621 × 2,225,894.76 - Step 4: Simplify right side
2,578,614.12x = 8,595,561,949,005.96 - Step 5: Solve for x
x = 8,595,561,949,005.96/2,578,614.12 - Step 6: Final answer
x = 3,333,403.74
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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.