Finding the Fourth Proportional to 3,440,897.70, 5,165,283.15 and 2,021,753.40
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Solution
The fourth proportional to 3,440,897.70, 5,165,283.15 and 2,021,753.40 is: 3,034,943.11
Step by Step Solution
- Step 1: Write the proportion equation
3,440,897.70 : 5,165,283.15 = 2,021,753.40 : x - Step 2: Convert to fraction form
3,440,897.70/5,165,283.15 = 2,021,753.40/x - Step 3: Cross multiply
3,440,897.70x = 5,165,283.15 × 2,021,753.40 - Step 4: Simplify right side
3,440,897.70x = 10,442,928,770,475.21 - Step 5: Solve for x
x = 10,442,928,770,475.21/3,440,897.70 - Step 6: Final answer
x = 3,034,943.11
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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.