Finding the Fourth Proportional to 2,470,922.30, 3,409,943.99 and 1,383,187.47
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Solution
The fourth proportional to 2,470,922.30, 3,409,943.99 and 1,383,187.47 is: 1,908,838.58
Step by Step Solution
- Step 1: Write the proportion equation
2,470,922.30 : 3,409,943.99 = 1,383,187.47 : x - Step 2: Convert to fraction form
2,470,922.30/3,409,943.99 = 1,383,187.47/x - Step 3: Cross multiply
2,470,922.30x = 3,409,943.99 × 1,383,187.47 - Step 4: Simplify right side
2,470,922.30x = 4,716,591,793,453.87 - Step 5: Solve for x
x = 4,716,591,793,453.87/2,470,922.30 - Step 6: Final answer
x = 1,908,838.58
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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.