Finding the Fourth Proportional to 7,080,251.13, 10,617,448.68 and 2,220,936.75
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Solution
The fourth proportional to 7,080,251.13, 10,617,448.68 and 2,220,936.75 is: 3,330,486.66
Step by Step Solution
- Step 1: Write the proportion equation
7,080,251.13 : 10,617,448.68 = 2,220,936.75 : x - Step 2: Convert to fraction form
7,080,251.13/10,617,448.68 = 2,220,936.75/x - Step 3: Cross multiply
7,080,251.13x = 10,617,448.68 × 2,220,936.75 - Step 4: Simplify right side
7,080,251.13x = 23,580,681,964,650.99 - Step 5: Solve for x
x = 23,580,681,964,650.99/7,080,251.13 - Step 6: Final answer
x = 3,330,486.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.