Finding the Fourth Proportional to 2,809,622.99, 3,877,291.54 and 1,520,463.44
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Solution
The fourth proportional to 2,809,622.99, 3,877,291.54 and 1,520,463.44 is: 2,098,245.94
Step by Step Solution
- Step 1: Write the proportion equation
2,809,622.99 : 3,877,291.54 = 1,520,463.44 : x - Step 2: Convert to fraction form
2,809,622.99/3,877,291.54 = 1,520,463.44/x - Step 3: Cross multiply
2,809,622.99x = 3,877,291.54 × 1,520,463.44 - Step 4: Simplify right side
2,809,622.99x = 5,895,280,032,791.30 - Step 5: Solve for x
x = 5,895,280,032,791.30/2,809,622.99 - Step 6: Final answer
x = 2,098,245.94
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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.