Finding the Fourth Proportional to 3,219,920.64, 4,829,830.74 and 823,744.62
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Solution
The fourth proportional to 3,219,920.64, 4,829,830.74 and 823,744.62 is: 1,235,604.08
Step by Step Solution
- Step 1: Write the proportion equation
3,219,920.64 : 4,829,830.74 = 823,744.62 : x - Step 2: Convert to fraction form
3,219,920.64/4,829,830.74 = 823,744.62/x - Step 3: Cross multiply
3,219,920.64x = 4,829,830.74 × 823,744.62 - Step 4: Simplify right side
3,219,920.64x = 3,978,547,087,585.62 - Step 5: Solve for x
x = 3,978,547,087,585.62/3,219,920.64 - Step 6: Final answer
x = 1,235,604.08
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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.