Finding the Fourth Proportional to 7,193,539.56, 9,926,967.12 and 3,930,284.04
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Solution
The fourth proportional to 7,193,539.56, 9,926,967.12 and 3,930,284.04 is: 5,423,727.79
Step by Step Solution
- Step 1: Write the proportion equation
7,193,539.56 : 9,926,967.12 = 3,930,284.04 : x - Step 2: Convert to fraction form
7,193,539.56/9,926,967.12 = 3,930,284.04/x - Step 3: Cross multiply
7,193,539.56x = 9,926,967.12 × 3,930,284.04 - Step 4: Simplify right side
7,193,539.56x = 39,015,800,437,340.77 - Step 5: Solve for x
x = 39,015,800,437,340.77/7,193,539.56 - Step 6: Final answer
x = 5,423,727.79
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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.