Finding the Fourth Proportional to 3,413,920.64, 5,119,755.04 and 1,138,818.08
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Solution
The fourth proportional to 3,413,920.64, 5,119,755.04 and 1,138,818.08 is: 1,707,851.53
Step by Step Solution
- Step 1: Write the proportion equation
3,413,920.64 : 5,119,755.04 = 1,138,818.08 : x - Step 2: Convert to fraction form
3,413,920.64/5,119,755.04 = 1,138,818.08/x - Step 3: Cross multiply
3,413,920.64x = 5,119,755.04 × 1,138,818.08 - Step 4: Simplify right side
3,413,920.64x = 5,830,469,604,723.12 - Step 5: Solve for x
x = 5,830,469,604,723.12/3,413,920.64 - Step 6: Final answer
x = 1,707,851.53
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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.