Finding the Fourth Proportional to 2,616,491.80, 3,924,737.70 and 2,174,123.80
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Solution
The fourth proportional to 2,616,491.80, 3,924,737.70 and 2,174,123.80 is: 3,261,185.70
Step by Step Solution
- Step 1: Write the proportion equation
2,616,491.80 : 3,924,737.70 = 2,174,123.80 : x - Step 2: Convert to fraction form
2,616,491.80/3,924,737.70 = 2,174,123.80/x - Step 3: Cross multiply
2,616,491.80x = 3,924,737.70 × 2,174,123.80 - Step 4: Simplify right side
2,616,491.80x = 8,532,865,642,327.26 - Step 5: Solve for x
x = 8,532,865,642,327.26/2,616,491.80 - Step 6: Final answer
x = 3,261,185.70
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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.