Finding the Fourth Proportional to 4,820,515.68, 7,230,663.24 and 1,226,286.88
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Solution
The fourth proportional to 4,820,515.68, 7,230,663.24 and 1,226,286.88 is: 1,839,402.27
Step by Step Solution
- Step 1: Write the proportion equation
4,820,515.68 : 7,230,663.24 = 1,226,286.88 : x - Step 2: Convert to fraction form
4,820,515.68/7,230,663.24 = 1,226,286.88/x - Step 3: Cross multiply
4,820,515.68x = 7,230,663.24 × 1,226,286.88 - Step 4: Simplify right side
4,820,515.68x = 8,866,867,464,910.29 - Step 5: Solve for x
x = 8,866,867,464,910.29/4,820,515.68 - Step 6: Final answer
x = 1,839,402.27
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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.