Finding the Fourth Proportional to 3,889,042.20, 5,833,563.30 and 2,692,315.80
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Solution
The fourth proportional to 3,889,042.20, 5,833,563.30 and 2,692,315.80 is: 4,038,473.70
Step by Step Solution
- Step 1: Write the proportion equation
3,889,042.20 : 5,833,563.30 = 2,692,315.80 : x - Step 2: Convert to fraction form
3,889,042.20/5,833,563.30 = 2,692,315.80/x - Step 3: Cross multiply
3,889,042.20x = 5,833,563.30 × 2,692,315.80 - Step 4: Simplify right side
3,889,042.20x = 15,705,794,642,890.14 - Step 5: Solve for x
x = 15,705,794,642,890.14/3,889,042.20 - Step 6: Final answer
x = 4,038,473.70
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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.