Finding the Fourth Proportional to 4,216,305.06, 6,324,434.88 and 1,021,429.62
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Solution
The fourth proportional to 4,216,305.06, 6,324,434.88 and 1,021,429.62 is: 1,532,138.93
Step by Step Solution
- Step 1: Write the proportion equation
4,216,305.06 : 6,324,434.88 = 1,021,429.62 : x - Step 2: Convert to fraction form
4,216,305.06/6,324,434.88 = 1,021,429.62/x - Step 3: Cross multiply
4,216,305.06x = 6,324,434.88 × 1,021,429.62 - Step 4: Simplify right side
4,216,305.06x = 6,459,965,116,193.15 - Step 5: Solve for x
x = 6,459,965,116,193.15/4,216,305.06 - Step 6: Final answer
x = 1,532,138.93
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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.