Finding the Fourth Proportional to 2,755,630.20, 4,134,143.93 and 1,947,604.44
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Solution
The fourth proportional to 2,755,630.20, 4,134,143.93 and 1,947,604.44 is: 2,921,900.43
Step by Step Solution
- Step 1: Write the proportion equation
2,755,630.20 : 4,134,143.93 = 1,947,604.44 : x - Step 2: Convert to fraction form
2,755,630.20/4,134,143.93 = 1,947,604.44/x - Step 3: Cross multiply
2,755,630.20x = 4,134,143.93 × 1,947,604.44 - Step 4: Simplify right side
2,755,630.20x = 8,051,677,063,929.03 - Step 5: Solve for x
x = 8,051,677,063,929.03/2,755,630.20 - Step 6: Final answer
x = 2,921,900.43
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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.