Finding the Fourth Proportional to 7,580,884.56, 11,369,656.80 and 2,188,363.68
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Solution
The fourth proportional to 7,580,884.56, 11,369,656.80 and 2,188,363.68 is: 3,282,063.43
Step by Step Solution
- Step 1: Write the proportion equation
7,580,884.56 : 11,369,656.80 = 2,188,363.68 : x - Step 2: Convert to fraction form
7,580,884.56/11,369,656.80 = 2,188,363.68/x - Step 3: Cross multiply
7,580,884.56x = 11,369,656.80 × 2,188,363.68 - Step 4: Simplify right side
7,580,884.56x = 24,880,943,995,185.03 - Step 5: Solve for x
x = 24,880,943,995,185.03/7,580,884.56 - Step 6: Final answer
x = 3,282,063.43
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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.