Finding the Fourth Proportional to 1,617,372.87, 2,425,644.12 and 479,865.97
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Solution
The fourth proportional to 1,617,372.87, 2,425,644.12 and 479,865.97 is: 719,675.76
Step by Step Solution
- Step 1: Write the proportion equation
1,617,372.87 : 2,425,644.12 = 479,865.97 : x - Step 2: Convert to fraction form
1,617,372.87/2,425,644.12 = 479,865.97/x - Step 3: Cross multiply
1,617,372.87x = 2,425,644.12 × 479,865.97 - Step 4: Simplify right side
1,617,372.87x = 1,163,984,056,123.40 - Step 5: Solve for x
x = 1,163,984,056,123.40/1,617,372.87 - Step 6: Final answer
x = 719,675.76
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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.