Finding the Fourth Proportional to 2,539,519.12, 3,504,637.47 and 1,393,640.47
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Solution
The fourth proportional to 2,539,519.12, 3,504,637.47 and 1,393,640.47 is: 1,923,279.32
Step by Step Solution
- Step 1: Write the proportion equation
2,539,519.12 : 3,504,637.47 = 1,393,640.47 : x - Step 2: Convert to fraction form
2,539,519.12/3,504,637.47 = 1,393,640.47/x - Step 3: Cross multiply
2,539,519.12x = 3,504,637.47 × 1,393,640.47 - Step 4: Simplify right side
2,539,519.12x = 4,884,204,610,870.41 - Step 5: Solve for x
x = 4,884,204,610,870.41/2,539,519.12 - Step 6: Final answer
x = 1,923,279.32
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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.