Finding the Fourth Proportional to 3,505,006.80, 5,257,121.40 and 980,917.20
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Solution
The fourth proportional to 3,505,006.80, 5,257,121.40 and 980,917.20 is: 1,471,266.99
Step by Step Solution
- Step 1: Write the proportion equation
3,505,006.80 : 5,257,121.40 = 980,917.20 : x - Step 2: Convert to fraction form
3,505,006.80/5,257,121.40 = 980,917.20/x - Step 3: Cross multiply
3,505,006.80x = 5,257,121.40 × 980,917.20 - Step 4: Simplify right side
3,505,006.80x = 5,156,800,803,748.08 - Step 5: Solve for x
x = 5,156,800,803,748.08/3,505,006.80 - Step 6: Final answer
x = 1,471,266.99
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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.