Finding the Fourth Proportional to 5,475,031.62, 7,555,592.25 and 3,027,807.06
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Solution
The fourth proportional to 5,475,031.62, 7,555,592.25 and 3,027,807.06 is: 4,178,400.63
Step by Step Solution
- Step 1: Write the proportion equation
5,475,031.62 : 7,555,592.25 = 3,027,807.06 : x - Step 2: Convert to fraction form
5,475,031.62/7,555,592.25 = 3,027,807.06/x - Step 3: Cross multiply
5,475,031.62x = 7,555,592.25 × 3,027,807.06 - Step 4: Simplify right side
5,475,031.62x = 22,876,875,557,031.29 - Step 5: Solve for x
x = 22,876,875,557,031.29/5,475,031.62 - Step 6: Final answer
x = 4,178,400.63
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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.