Finding the Fourth Proportional to 5,212,803.16, 7,193,863.02 and 2,920,879
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Solution
The fourth proportional to 5,212,803.16, 7,193,863.02 and 2,920,879 is: 4,030,922.09
Step by Step Solution
- Step 1: Write the proportion equation
5,212,803.16 : 7,193,863.02 = 2,920,879 : x - Step 2: Convert to fraction form
5,212,803.16/7,193,863.02 = 2,920,879/x - Step 3: Cross multiply
5,212,803.16x = 7,193,863.02 × 2,920,879 - Step 4: Simplify right side
5,212,803.16x = 21,012,403,423,994.58 - Step 5: Solve for x
x = 21,012,403,423,994.58/5,212,803.16 - Step 6: Final answer
x = 4,030,922.09
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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.