Finding the Fourth Proportional to 3,749,905.80, 5,625,122.76 and 1,856,138.76
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Solution
The fourth proportional to 3,749,905.80, 5,625,122.76 and 1,856,138.76 is: 2,784,338.85
Step by Step Solution
- Step 1: Write the proportion equation
3,749,905.80 : 5,625,122.76 = 1,856,138.76 : x - Step 2: Convert to fraction form
3,749,905.80/5,625,122.76 = 1,856,138.76/x - Step 3: Cross multiply
3,749,905.80x = 5,625,122.76 × 1,856,138.76 - Step 4: Simplify right side
3,749,905.80x = 10,441,008,384,594.18 - Step 5: Solve for x
x = 10,441,008,384,594.18/3,749,905.80 - Step 6: Final answer
x = 2,784,338.85
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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.