Finding the Fourth Proportional to 4,267,965.76, 5,889,709.92 and 2,334,220.16
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Solution
The fourth proportional to 4,267,965.76, 5,889,709.92 and 2,334,220.16 is: 3,221,178.52
Step by Step Solution
- Step 1: Write the proportion equation
4,267,965.76 : 5,889,709.92 = 2,334,220.16 : x - Step 2: Convert to fraction form
4,267,965.76/5,889,709.92 = 2,334,220.16/x - Step 3: Cross multiply
4,267,965.76x = 5,889,709.92 × 2,334,220.16 - Step 4: Simplify right side
4,267,965.76x = 13,747,879,631,815.99 - Step 5: Solve for x
x = 13,747,879,631,815.99/4,267,965.76 - Step 6: Final answer
x = 3,221,178.52
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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.