Finding the Fourth Proportional to 4,965,415.84, 7,451,389.68 and 2,723,128.48
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Solution
The fourth proportional to 4,965,415.84, 7,451,389.68 and 2,723,128.48 is: 4,086,483.81
Step by Step Solution
- Step 1: Write the proportion equation
4,965,415.84 : 7,451,389.68 = 2,723,128.48 : x - Step 2: Convert to fraction form
4,965,415.84/7,451,389.68 = 2,723,128.48/x - Step 3: Cross multiply
4,965,415.84x = 7,451,389.68 × 2,723,128.48 - Step 4: Simplify right side
4,965,415.84x = 20,291,091,453,186.09 - Step 5: Solve for x
x = 20,291,091,453,186.09/4,965,415.84 - Step 6: Final answer
x = 4,086,483.81
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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.