Finding the Fourth Proportional to 1,847,685.75, 2,531,287.19 and 1,778,605.48
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Solution
The fourth proportional to 1,847,685.75, 2,531,287.19 and 1,778,605.48 is: 2,436,648.80
Step by Step Solution
- Step 1: Write the proportion equation
1,847,685.75 : 2,531,287.19 = 1,778,605.48 : x - Step 2: Convert to fraction form
1,847,685.75/2,531,287.19 = 1,778,605.48/x - Step 3: Cross multiply
1,847,685.75x = 2,531,287.19 × 1,778,605.48 - Step 4: Simplify right side
1,847,685.75x = 4,502,161,267,587.80 - Step 5: Solve for x
x = 4,502,161,267,587.80/1,847,685.75 - Step 6: Final answer
x = 2,436,648.80
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.