Finding the Fourth Proportional to 5,743,808.30, 7,926,455.49 and 3,165,489.11
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Solution
The fourth proportional to 5,743,808.30, 7,926,455.49 and 3,165,489.11 is: 4,368,374.99
Step by Step Solution
- Step 1: Write the proportion equation
5,743,808.30 : 7,926,455.49 = 3,165,489.11 : x - Step 2: Convert to fraction form
5,743,808.30/7,926,455.49 = 3,165,489.11/x - Step 3: Cross multiply
5,743,808.30x = 7,926,455.49 × 3,165,489.11 - Step 4: Simplify right side
5,743,808.30x = 25,091,108,534,494.71 - Step 5: Solve for x
x = 25,091,108,534,494.71/5,743,808.30 - Step 6: Final answer
x = 4,368,374.99
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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.