Finding the Fourth Proportional to 4,294,135.44, 6,442,257.78 and 2,136,178.80
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Solution
The fourth proportional to 4,294,135.44, 6,442,257.78 and 2,136,178.80 is: 3,204,792.84
Step by Step Solution
- Step 1: Write the proportion equation
4,294,135.44 : 6,442,257.78 = 2,136,178.80 : x - Step 2: Convert to fraction form
4,294,135.44/6,442,257.78 = 2,136,178.80/x - Step 3: Cross multiply
4,294,135.44x = 6,442,257.78 × 2,136,178.80 - Step 4: Simplify right side
4,294,135.44x = 13,761,814,493,771.06 - Step 5: Solve for x
x = 13,761,814,493,771.06/4,294,135.44 - Step 6: Final answer
x = 3,204,792.84
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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.