Finding the Fourth Proportional to 3,750,201.99, 5,174,890.34 and 2,118,787.47
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Solution
The fourth proportional to 3,750,201.99, 5,174,890.34 and 2,118,787.47 is: 2,923,707.26
Step by Step Solution
- Step 1: Write the proportion equation
3,750,201.99 : 5,174,890.34 = 2,118,787.47 : x - Step 2: Convert to fraction form
3,750,201.99/5,174,890.34 = 2,118,787.47/x - Step 3: Cross multiply
3,750,201.99x = 5,174,890.34 × 2,118,787.47 - Step 4: Simplify right side
3,750,201.99x = 10,964,492,800,422.10 - Step 5: Solve for x
x = 10,964,492,800,422.10/3,750,201.99 - Step 6: Final answer
x = 2,923,707.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.