Finding the Fourth Proportional to 2,177,163.55, 3,004,562.79 and 1,197,177.17
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Solution
The fourth proportional to 2,177,163.55, 3,004,562.79 and 1,197,177.17 is: 1,652,146.88
Step by Step Solution
- Step 1: Write the proportion equation
2,177,163.55 : 3,004,562.79 = 1,197,177.17 : x - Step 2: Convert to fraction form
2,177,163.55/3,004,562.79 = 1,197,177.17/x - Step 3: Cross multiply
2,177,163.55x = 3,004,562.79 × 1,197,177.17 - Step 4: Simplify right side
2,177,163.55x = 3,596,993,966,363.75 - Step 5: Solve for x
x = 3,596,993,966,363.75/2,177,163.55 - Step 6: Final answer
x = 1,652,146.88
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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.