Finding the Fourth Proportional to 5,532,403.87, 8,298,605.67 and 1,488,900.61
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Solution
The fourth proportional to 5,532,403.87, 8,298,605.67 and 1,488,900.61 is: 2,233,350.88
Step by Step Solution
- Step 1: Write the proportion equation
5,532,403.87 : 8,298,605.67 = 1,488,900.61 : x - Step 2: Convert to fraction form
5,532,403.87/8,298,605.67 = 1,488,900.61/x - Step 3: Cross multiply
5,532,403.87x = 8,298,605.67 × 1,488,900.61 - Step 4: Simplify right side
5,532,403.87x = 12,355,799,044,212.46 - Step 5: Solve for x
x = 12,355,799,044,212.46/5,532,403.87 - Step 6: Final answer
x = 2,233,350.88
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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.