Finding the Fourth Proportional to 4,614,623.75, 6,918,226.35 and 3,171,029.82
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Solution
The fourth proportional to 4,614,623.75, 6,918,226.35 and 3,171,029.82 is: 4,753,995.83
Step by Step Solution
- Step 1: Write the proportion equation
4,614,623.75 : 6,918,226.35 = 3,171,029.82 : x - Step 2: Convert to fraction form
4,614,623.75/6,918,226.35 = 3,171,029.82/x - Step 3: Cross multiply
4,614,623.75x = 6,918,226.35 × 3,171,029.82 - Step 4: Simplify right side
4,614,623.75x = 21,937,902,057,359.75 - Step 5: Solve for x
x = 21,937,902,057,359.75/4,614,623.75 - Step 6: Final answer
x = 4,753,995.83
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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.