Finding the Fourth Proportional to 1,642,634.00, 2,265,585.10 and 1,413,576.73
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Solution
The fourth proportional to 1,642,634.00, 2,265,585.10 and 1,413,576.73 is: 1,949,660.34
Step by Step Solution
- Step 1: Write the proportion equation
1,642,634.00 : 2,265,585.10 = 1,413,576.73 : x - Step 2: Convert to fraction form
1,642,634.00/2,265,585.10 = 1,413,576.73/x - Step 3: Cross multiply
1,642,634.00x = 2,265,585.10 × 1,413,576.73 - Step 4: Simplify right side
1,642,634.00x = 3,202,578,358,798.91 - Step 5: Solve for x
x = 3,202,578,358,798.91/1,642,634.00 - Step 6: Final answer
x = 1,949,660.34
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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.