Finding the Fourth Proportional to 4,748,505.13, 7,122,760.36 and 3,334,872.07
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Solution
The fourth proportional to 4,748,505.13, 7,122,760.36 and 3,334,872.07 is: 5,002,309.98
Step by Step Solution
- Step 1: Write the proportion equation
4,748,505.13 : 7,122,760.36 = 3,334,872.07 : x - Step 2: Convert to fraction form
4,748,505.13/7,122,760.36 = 3,334,872.07/x - Step 3: Cross multiply
4,748,505.13x = 7,122,760.36 × 3,334,872.07 - Step 4: Simplify right side
4,748,505.13x = 23,753,494,586,433.41 - Step 5: Solve for x
x = 23,753,494,586,433.41/4,748,505.13 - Step 6: Final answer
x = 5,002,309.98
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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.