Finding the Fourth Proportional to 1,293,939.97, 1,941,259.37 and 395,357.15
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Solution
The fourth proportional to 1,293,939.97, 1,941,259.37 and 395,357.15 is: 593,142.49
Step by Step Solution
- Step 1: Write the proportion equation
1,293,939.97 : 1,941,259.37 = 395,357.15 : x - Step 2: Convert to fraction form
1,293,939.97/1,941,259.37 = 395,357.15/x - Step 3: Cross multiply
1,293,939.97x = 1,941,259.37 × 395,357.15 - Step 4: Simplify right side
1,293,939.97x = 767,490,774,810.36 - Step 5: Solve for x
x = 767,490,774,810.36/1,293,939.97 - Step 6: Final answer
x = 593,142.49
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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.