Finding the Fourth Proportional to 5,165,701.76, 7,745,969.60 and 1,926,142.08
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Solution
The fourth proportional to 5,165,701.76, 7,745,969.60 and 1,926,142.08 is: 2,888,249.98
Step by Step Solution
- Step 1: Write the proportion equation
5,165,701.76 : 7,745,969.60 = 1,926,142.08 : x - Step 2: Convert to fraction form
5,165,701.76/7,745,969.60 = 1,926,142.08/x - Step 3: Cross multiply
5,165,701.76x = 7,745,969.60 × 1,926,142.08 - Step 4: Simplify right side
5,165,701.76x = 14,919,837,996,960.77 - Step 5: Solve for x
x = 14,919,837,996,960.77/5,165,701.76 - Step 6: Final answer
x = 2,888,249.98
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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.