Finding the Fourth Proportional to 2,858,035.74, 3,943,872.63 and 1,568,671.26
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Solution
The fourth proportional to 2,858,035.74, 3,943,872.63 and 1,568,671.26 is: 2,164,647.40
Step by Step Solution
- Step 1: Write the proportion equation
2,858,035.74 : 3,943,872.63 = 1,568,671.26 : x - Step 2: Convert to fraction form
2,858,035.74/3,943,872.63 = 1,568,671.26/x - Step 3: Cross multiply
2,858,035.74x = 3,943,872.63 × 1,568,671.26 - Step 4: Simplify right side
2,858,035.74x = 6,186,639,647,781.61 - Step 5: Solve for x
x = 6,186,639,647,781.61/2,858,035.74 - Step 6: Final answer
x = 2,164,647.40
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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.