Finding the Fourth Proportional to 4,659,232.77, 6,430,005.86 and 2,799,217.21
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Solution
The fourth proportional to 4,659,232.77, 6,430,005.86 and 2,799,217.21 is: 3,863,078.74
Step by Step Solution
- Step 1: Write the proportion equation
4,659,232.77 : 6,430,005.86 = 2,799,217.21 : x - Step 2: Convert to fraction form
4,659,232.77/6,430,005.86 = 2,799,217.21/x - Step 3: Cross multiply
4,659,232.77x = 6,430,005.86 × 2,799,217.21 - Step 4: Simplify right side
4,659,232.77x = 17,998,983,063,712.85 - Step 5: Solve for x
x = 17,998,983,063,712.85/4,659,232.77 - Step 6: Final answer
x = 3,863,078.74
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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.