Finding the Fourth Proportional to 2,381,217.49, 3,572,318.33 and 783,876.43
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Solution
The fourth proportional to 2,381,217.49, 3,572,318.33 and 783,876.43 is: 1,175,976.64
Step by Step Solution
- Step 1: Write the proportion equation
2,381,217.49 : 3,572,318.33 = 783,876.43 : x - Step 2: Convert to fraction form
2,381,217.49/3,572,318.33 = 783,876.43/x - Step 3: Cross multiply
2,381,217.49x = 3,572,318.33 × 783,876.43 - Step 4: Simplify right side
2,381,217.49x = 2,800,256,139,343.96 - Step 5: Solve for x
x = 2,800,256,139,343.96/2,381,217.49 - Step 6: Final answer
x = 1,175,976.64
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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.