Finding the Fourth Proportional to 2,245,541.13, 3,098,843.70 and 1,278,671.42
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Solution
The fourth proportional to 2,245,541.13, 3,098,843.70 and 1,278,671.42 is: 1,764,564.82
Step by Step Solution
- Step 1: Write the proportion equation
2,245,541.13 : 3,098,843.70 = 1,278,671.42 : x - Step 2: Convert to fraction form
2,245,541.13/3,098,843.70 = 1,278,671.42/x - Step 3: Cross multiply
2,245,541.13x = 3,098,843.70 × 1,278,671.42 - Step 4: Simplify right side
2,245,541.13x = 3,962,402,879,032.07 - Step 5: Solve for x
x = 3,962,402,879,032.07/2,245,541.13 - Step 6: Final answer
x = 1,764,564.82
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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.