Finding the Fourth Proportional to 4,899,803.80, 7,344,456.90 and 2,203,670.20
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Solution
The fourth proportional to 4,899,803.80, 7,344,456.90 and 2,203,670.20 is: 3,303,144.67
Step by Step Solution
- Step 1: Write the proportion equation
4,899,803.80 : 7,344,456.90 = 2,203,670.20 : x - Step 2: Convert to fraction form
4,899,803.80/7,344,456.90 = 2,203,670.20/x - Step 3: Cross multiply
4,899,803.80x = 7,344,456.90 × 2,203,670.20 - Step 4: Simplify right side
4,899,803.80x = 16,184,760,805,714.38 - Step 5: Solve for x
x = 16,184,760,805,714.38/4,899,803.80 - Step 6: Final answer
x = 3,303,144.67
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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.