Finding the Fourth Proportional to 3,708,604.02, 5,117,288.97 and 2,160,120.54
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Solution
The fourth proportional to 3,708,604.02, 5,117,288.97 and 2,160,120.54 is: 2,980,625.85
Step by Step Solution
- Step 1: Write the proportion equation
3,708,604.02 : 5,117,288.97 = 2,160,120.54 : x - Step 2: Convert to fraction form
3,708,604.02/5,117,288.97 = 2,160,120.54/x - Step 3: Cross multiply
3,708,604.02x = 5,117,288.97 × 2,160,120.54 - Step 4: Simplify right side
3,708,604.02x = 11,053,961,013,212.44 - Step 5: Solve for x
x = 11,053,961,013,212.44/3,708,604.02 - Step 6: Final answer
x = 2,980,625.85
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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.