Finding the Fourth Proportional to 3,516,794.84, 5,275,134.12 and 1,120,606.94
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Solution
The fourth proportional to 3,516,794.84, 5,275,134.12 and 1,120,606.94 is: 1,680,891.88
Step by Step Solution
- Step 1: Write the proportion equation
3,516,794.84 : 5,275,134.12 = 1,120,606.94 : x - Step 2: Convert to fraction form
3,516,794.84/5,275,134.12 = 1,120,606.94/x - Step 3: Cross multiply
3,516,794.84x = 5,275,134.12 × 1,120,606.94 - Step 4: Simplify right side
3,516,794.84x = 5,911,351,904,302.79 - Step 5: Solve for x
x = 5,911,351,904,302.79/3,516,794.84 - Step 6: Final answer
x = 1,680,891.88
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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.