Finding the Fourth Proportional to 2,012,102.32, 2,775,295.20 and 1,366,401.64
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Solution
The fourth proportional to 2,012,102.32, 2,775,295.20 and 1,366,401.64 is: 1,884,679.46
Step by Step Solution
- Step 1: Write the proportion equation
2,012,102.32 : 2,775,295.20 = 1,366,401.64 : x - Step 2: Convert to fraction form
2,012,102.32/2,775,295.20 = 1,366,401.64/x - Step 3: Cross multiply
2,012,102.32x = 2,775,295.20 × 1,366,401.64 - Step 4: Simplify right side
2,012,102.32x = 3,792,167,912,764.13 - Step 5: Solve for x
x = 3,792,167,912,764.13/2,012,102.32 - Step 6: Final answer
x = 1,884,679.46
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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.