Finding the Fourth Proportional to 3,120,171.66, 4,672,267.32 and 2,159,296.80
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Solution
The fourth proportional to 3,120,171.66, 4,672,267.32 and 2,159,296.80 is: 3,233,415.65
Step by Step Solution
- Step 1: Write the proportion equation
3,120,171.66 : 4,672,267.32 = 2,159,296.80 : x - Step 2: Convert to fraction form
3,120,171.66/4,672,267.32 = 2,159,296.80/x - Step 3: Cross multiply
3,120,171.66x = 4,672,267.32 × 2,159,296.80 - Step 4: Simplify right side
3,120,171.66x = 10,088,811,872,820.58 - Step 5: Solve for x
x = 10,088,811,872,820.58/3,120,171.66 - Step 6: Final answer
x = 3,233,415.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.