Finding the Fourth Proportional to 5,526,537.80, 8,273,217.90 and 3,281,520.20
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Solution
The fourth proportional to 5,526,537.80, 8,273,217.90 and 3,281,520.20 is: 4,912,430.28
Step by Step Solution
- Step 1: Write the proportion equation
5,526,537.80 : 8,273,217.90 = 3,281,520.20 : x - Step 2: Convert to fraction form
5,526,537.80/8,273,217.90 = 3,281,520.20/x - Step 3: Cross multiply
5,526,537.80x = 8,273,217.90 × 3,281,520.20 - Step 4: Simplify right side
5,526,537.80x = 27,148,731,657,851.58 - Step 5: Solve for x
x = 27,148,731,657,851.58/5,526,537.80 - Step 6: Final answer
x = 4,912,430.28
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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.