Finding the Fourth Proportional to 1,376,746.62, 1,899,145.35 and 1,279,324.14
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Solution
The fourth proportional to 1,376,746.62, 1,899,145.35 and 1,279,324.14 is: 1,764,756.46
Step by Step Solution
- Step 1: Write the proportion equation
1,376,746.62 : 1,899,145.35 = 1,279,324.14 : x - Step 2: Convert to fraction form
1,376,746.62/1,899,145.35 = 1,279,324.14/x - Step 3: Cross multiply
1,376,746.62x = 1,899,145.35 × 1,279,324.14 - Step 4: Simplify right side
1,376,746.62x = 2,429,622,491,623.75 - Step 5: Solve for x
x = 2,429,622,491,623.75/1,376,746.62 - Step 6: Final answer
x = 1,764,756.46
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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.