Finding the Fourth Proportional to 2,491,236.24, 3,437,890.35 and 1,403,857.11
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Solution
The fourth proportional to 2,491,236.24, 3,437,890.35 and 1,403,857.11 is: 1,937,313.99
Step by Step Solution
- Step 1: Write the proportion equation
2,491,236.24 : 3,437,890.35 = 1,403,857.11 : x - Step 2: Convert to fraction form
2,491,236.24/3,437,890.35 = 1,403,857.11/x - Step 3: Cross multiply
2,491,236.24x = 3,437,890.35 × 1,403,857.11 - Step 4: Simplify right side
2,491,236.24x = 4,826,306,811,247.89 - Step 5: Solve for x
x = 4,826,306,811,247.89/2,491,236.24 - Step 6: Final answer
x = 1,937,313.99
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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.