Finding the Fourth Proportional to 3,837,137.94, 5,295,267.27 and 2,118,272.58
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Solution
The fourth proportional to 3,837,137.94, 5,295,267.27 and 2,118,272.58 is: 2,923,225.50
Step by Step Solution
- Step 1: Write the proportion equation
3,837,137.94 : 5,295,267.27 = 2,118,272.58 : x - Step 2: Convert to fraction form
3,837,137.94/5,295,267.27 = 2,118,272.58/x - Step 3: Cross multiply
3,837,137.94x = 5,295,267.27 × 2,118,272.58 - Step 4: Simplify right side
3,837,137.94x = 11,216,819,461,812.46 - Step 5: Solve for x
x = 11,216,819,461,812.46/3,837,137.94 - Step 6: Final answer
x = 2,923,225.50
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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.