Finding the Fourth Proportional to 4,172,728.56, 5,758,507.08 and 2,337,265.68
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Solution
The fourth proportional to 4,172,728.56, 5,758,507.08 and 2,337,265.68 is: 3,225,505.99
Step by Step Solution
- Step 1: Write the proportion equation
4,172,728.56 : 5,758,507.08 = 2,337,265.68 : x - Step 2: Convert to fraction form
4,172,728.56/5,758,507.08 = 2,337,265.68/x - Step 3: Cross multiply
4,172,728.56x = 5,758,507.08 × 2,337,265.68 - Step 4: Simplify right side
4,172,728.56x = 13,459,160,966,121.02 - Step 5: Solve for x
x = 13,459,160,966,121.02/4,172,728.56 - Step 6: Final answer
x = 3,225,505.99
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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.