Finding the Fourth Proportional to 5,074,206.23, 6,995,630.58 and 4,031,088.52
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Solution
The fourth proportional to 5,074,206.23, 6,995,630.58 and 4,031,088.52 is: 5,557,520.69
Step by Step Solution
- Step 1: Write the proportion equation
5,074,206.23 : 6,995,630.58 = 4,031,088.52 : x - Step 2: Convert to fraction form
5,074,206.23/6,995,630.58 = 4,031,088.52/x - Step 3: Cross multiply
5,074,206.23x = 6,995,630.58 × 4,031,088.52 - Step 4: Simplify right side
5,074,206.23x = 28,200,006,121,198.94 - Step 5: Solve for x
x = 28,200,006,121,198.94/5,074,206.23 - Step 6: Final answer
x = 5,557,520.69
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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.