Finding the Fourth Proportional to 1,636,400.75, 2,454,987.49 and 514,469.75
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Solution
The fourth proportional to 1,636,400.75, 2,454,987.49 and 514,469.75 is: 771,826.09
Step by Step Solution
- Step 1: Write the proportion equation
1,636,400.75 : 2,454,987.49 = 514,469.75 : x - Step 2: Convert to fraction form
1,636,400.75/2,454,987.49 = 514,469.75/x - Step 3: Cross multiply
1,636,400.75x = 2,454,987.49 × 514,469.75 - Step 4: Simplify right side
1,636,400.75x = 1,263,016,786,672.32 - Step 5: Solve for x
x = 1,263,016,786,672.32/1,636,400.75 - Step 6: Final answer
x = 771,826.09
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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.