Finding the Fourth Proportional to 2,288,486.35, 3,431,359 and 772,135.57
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Solution
The fourth proportional to 2,288,486.35, 3,431,359 and 772,135.57 is: 1,157,740.94
Step by Step Solution
- Step 1: Write the proportion equation
2,288,486.35 : 3,431,359 = 772,135.57 : x - Step 2: Convert to fraction form
2,288,486.35/3,431,359 = 772,135.57/x - Step 3: Cross multiply
2,288,486.35x = 3,431,359 × 772,135.57 - Step 4: Simplify right side
2,288,486.35x = 2,649,474,337,339.63 - Step 5: Solve for x
x = 2,649,474,337,339.63/2,288,486.35 - Step 6: Final answer
x = 1,157,740.94
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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.