Finding the Fourth Proportional to 5,379,763.56, 8,068,070.70 and 4,430,780.52
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Solution
The fourth proportional to 5,379,763.56, 8,068,070.70 and 4,430,780.52 is: 6,644,873.90
Step by Step Solution
- Step 1: Write the proportion equation
5,379,763.56 : 8,068,070.70 = 4,430,780.52 : x - Step 2: Convert to fraction form
5,379,763.56/8,068,070.70 = 4,430,780.52/x - Step 3: Cross multiply
5,379,763.56x = 8,068,070.70 × 4,430,780.52 - Step 4: Simplify right side
5,379,763.56x = 35,747,850,491,542.76 - Step 5: Solve for x
x = 35,747,850,491,542.76/5,379,763.56 - Step 6: Final answer
x = 6,644,873.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.