Finding the Fourth Proportional to 4,280,593.19, 6,421,877.97 and 1,440,635.99
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Solution
The fourth proportional to 4,280,593.19, 6,421,877.97 and 1,440,635.99 is: 2,161,286.55
Step by Step Solution
- Step 1: Write the proportion equation
4,280,593.19 : 6,421,877.97 = 1,440,635.99 : x - Step 2: Convert to fraction form
4,280,593.19/6,421,877.97 = 1,440,635.99/x - Step 3: Cross multiply
4,280,593.19x = 6,421,877.97 × 1,440,635.99 - Step 4: Simplify right side
4,280,593.19x = 9,251,588,494,860.75 - Step 5: Solve for x
x = 9,251,588,494,860.75/4,280,593.19 - Step 6: Final answer
x = 2,161,286.55
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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.