Finding the Fourth Proportional to 2,283,765.74, 3,151,367.07 and 1,264,980.14
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Solution
The fourth proportional to 2,283,765.74, 3,151,367.07 and 1,264,980.14 is: 1,745,545.39
Step by Step Solution
- Step 1: Write the proportion equation
2,283,765.74 : 3,151,367.07 = 1,264,980.14 : x - Step 2: Convert to fraction form
2,283,765.74/3,151,367.07 = 1,264,980.14/x - Step 3: Cross multiply
2,283,765.74x = 3,151,367.07 × 1,264,980.14 - Step 4: Simplify right side
2,283,765.74x = 3,986,416,757,399.99 - Step 5: Solve for x
x = 3,986,416,757,399.99/2,283,765.74 - Step 6: Final answer
x = 1,745,545.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.