Finding the Fourth Proportional to 3,865,716.20, 5,798,574.30 and 1,026,266.60
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Solution
The fourth proportional to 3,865,716.20, 5,798,574.30 and 1,026,266.60 is: 1,539,399.90
Step by Step Solution
- Step 1: Write the proportion equation
3,865,716.20 : 5,798,574.30 = 1,026,266.60 : x - Step 2: Convert to fraction form
3,865,716.20/5,798,574.30 = 1,026,266.60/x - Step 3: Cross multiply
3,865,716.20x = 5,798,574.30 × 1,026,266.60 - Step 4: Simplify right side
3,865,716.20x = 5,950,883,131,708.38 - Step 5: Solve for x
x = 5,950,883,131,708.38/3,865,716.20 - Step 6: Final answer
x = 1,539,399.90
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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.