Finding the Fourth Proportional to 5,733,591.98, 7,912,358.12 and 3,155,272.78
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Solution
The fourth proportional to 5,733,591.98, 7,912,358.12 and 3,155,272.78 is: 4,354,277.09
Step by Step Solution
- Step 1: Write the proportion equation
5,733,591.98 : 7,912,358.12 = 3,155,272.78 : x - Step 2: Convert to fraction form
5,733,591.98/7,912,358.12 = 3,155,272.78/x - Step 3: Cross multiply
5,733,591.98x = 7,912,358.12 × 3,155,272.78 - Step 4: Simplify right side
5,733,591.98x = 24,965,648,185,871.61 - Step 5: Solve for x
x = 24,965,648,185,871.61/5,733,591.98 - Step 6: Final answer
x = 4,354,277.09
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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.