Finding the Fourth Proportional to 5,505,012.63, 8,257,518.95 and 1,718,819.91
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Solution
The fourth proportional to 5,505,012.63, 8,257,518.95 and 1,718,819.91 is: 2,578,229.87
Step by Step Solution
- Step 1: Write the proportion equation
5,505,012.63 : 8,257,518.95 = 1,718,819.91 : x - Step 2: Convert to fraction form
5,505,012.63/8,257,518.95 = 1,718,819.91/x - Step 3: Cross multiply
5,505,012.63x = 8,257,518.95 × 1,718,819.91 - Step 4: Simplify right side
5,505,012.63x = 14,193,187,969,868.20 - Step 5: Solve for x
x = 14,193,187,969,868.20/5,505,012.63 - Step 6: Final answer
x = 2,578,229.87
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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.