Finding the Fourth Proportional to 7,524,919.49, 10,384,418.63 and 4,087,217.93
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Solution
The fourth proportional to 7,524,919.49, 10,384,418.63 and 4,087,217.93 is: 5,640,376.89
Step by Step Solution
- Step 1: Write the proportion equation
7,524,919.49 : 10,384,418.63 = 4,087,217.93 : x - Step 2: Convert to fraction form
7,524,919.49/10,384,418.63 = 4,087,217.93/x - Step 3: Cross multiply
7,524,919.49x = 10,384,418.63 × 4,087,217.93 - Step 4: Simplify right side
7,524,919.49x = 42,443,381,975,457.98 - Step 5: Solve for x
x = 42,443,381,975,457.98/7,524,919.49 - Step 6: Final answer
x = 5,640,376.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.