Finding the Fourth Proportional to 2,197,139.12, 3,292,568.11 and 1,235,576.40
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Solution
The fourth proportional to 2,197,139.12, 3,292,568.11 and 1,235,576.40 is: 1,851,598.47
Step by Step Solution
- Step 1: Write the proportion equation
2,197,139.12 : 3,292,568.11 = 1,235,576.40 : x - Step 2: Convert to fraction form
2,197,139.12/3,292,568.11 = 1,235,576.40/x - Step 3: Cross multiply
2,197,139.12x = 3,292,568.11 × 1,235,576.40 - Step 4: Simplify right side
2,197,139.12x = 4,068,219,441,305.94 - Step 5: Solve for x
x = 4,068,219,441,305.94/2,197,139.12 - Step 6: Final answer
x = 1,851,598.47
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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.