Finding the Fourth Proportional to 2,564,926.11, 3,844,851.98 and 1,214,716.05
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Solution
The fourth proportional to 2,564,926.11, 3,844,851.98 and 1,214,716.05 is: 1,820,872.49
Step by Step Solution
- Step 1: Write the proportion equation
2,564,926.11 : 3,844,851.98 = 1,214,716.05 : x - Step 2: Convert to fraction form
2,564,926.11/3,844,851.98 = 1,214,716.05/x - Step 3: Cross multiply
2,564,926.11x = 3,844,851.98 × 1,214,716.05 - Step 4: Simplify right side
2,564,926.11x = 4,670,403,403,906.70 - Step 5: Solve for x
x = 4,670,403,403,906.70/2,564,926.11 - Step 6: Final answer
x = 1,820,872.49
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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.