Finding the Fourth Proportional to 4,253,439.12, 5,869,512.78 and 2,417,642.82
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Solution
The fourth proportional to 4,253,439.12, 5,869,512.78 and 2,417,642.82 is: 3,336,214.54
Step by Step Solution
- Step 1: Write the proportion equation
4,253,439.12 : 5,869,512.78 = 2,417,642.82 : x - Step 2: Convert to fraction form
4,253,439.12/5,869,512.78 = 2,417,642.82/x - Step 3: Cross multiply
4,253,439.12x = 5,869,512.78 × 2,417,642.82 - Step 4: Simplify right side
4,253,439.12x = 14,190,385,429,465.24 - Step 5: Solve for x
x = 14,190,385,429,465.24/4,253,439.12 - Step 6: Final answer
x = 3,336,214.54
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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.