Finding the Fourth Proportional to 2,758,786.98, 4,138,132.62 and 1,241,396.26
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Solution
The fourth proportional to 2,758,786.98, 4,138,132.62 and 1,241,396.26 is: 1,862,072.86
Step by Step Solution
- Step 1: Write the proportion equation
2,758,786.98 : 4,138,132.62 = 1,241,396.26 : x - Step 2: Convert to fraction form
2,758,786.98/4,138,132.62 = 1,241,396.26/x - Step 3: Cross multiply
2,758,786.98x = 4,138,132.62 × 1,241,396.26 - Step 4: Simplify right side
2,758,786.98x = 5,137,062,352,161.91 - Step 5: Solve for x
x = 5,137,062,352,161.91/2,758,786.98 - Step 6: Final answer
x = 1,862,072.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.