Finding the Fourth Proportional to 1,542,135.81, 2,313,133.86 and 404,871.21
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Solution
The fourth proportional to 1,542,135.81, 2,313,133.86 and 404,871.21 is: 607,288.47
Step by Step Solution
- Step 1: Write the proportion equation
1,542,135.81 : 2,313,133.86 = 404,871.21 : x - Step 2: Convert to fraction form
1,542,135.81/2,313,133.86 = 404,871.21/x - Step 3: Cross multiply
1,542,135.81x = 2,313,133.86 × 404,871.21 - Step 4: Simplify right side
1,542,135.81x = 936,521,304,031.04 - Step 5: Solve for x
x = 936,521,304,031.04/1,542,135.81 - Step 6: Final answer
x = 607,288.47
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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.