Finding the Fourth Proportional to 2,470,874.14, 3,409,864.05 and 1,383,118.66
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Solution
The fourth proportional to 2,470,874.14, 3,409,864.05 and 1,383,118.66 is: 1,908,736.07
Step by Step Solution
- Step 1: Write the proportion equation
2,470,874.14 : 3,409,864.05 = 1,383,118.66 : x - Step 2: Convert to fraction form
2,470,874.14/3,409,864.05 = 1,383,118.66/x - Step 3: Cross multiply
2,470,874.14x = 3,409,864.05 × 1,383,118.66 - Step 4: Simplify right side
2,470,874.14x = 4,716,246,595,618.17 - Step 5: Solve for x
x = 4,716,246,595,618.17/2,470,874.14 - Step 6: Final answer
x = 1,908,736.07
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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.