Finding the Fourth Proportional to 1,856,438.34, 2,785,451.40 and 777,202.98
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Solution
The fourth proportional to 1,856,438.34, 2,785,451.40 and 777,202.98 is: 1,166,136.83
Step by Step Solution
- Step 1: Write the proportion equation
1,856,438.34 : 2,785,451.40 = 777,202.98 : x - Step 2: Convert to fraction form
1,856,438.34/2,785,451.40 = 777,202.98/x - Step 3: Cross multiply
1,856,438.34x = 2,785,451.40 × 777,202.98 - Step 4: Simplify right side
1,856,438.34x = 2,164,861,128,725.17 - Step 5: Solve for x
x = 2,164,861,128,725.17/1,856,438.34 - Step 6: Final answer
x = 1,166,136.83
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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.