Finding the Fourth Proportional to 1,542,009.42, 2,312,735.49 and 419,815.98
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Solution
The fourth proportional to 1,542,009.42, 2,312,735.49 and 419,815.98 is: 629,648.11
Step by Step Solution
- Step 1: Write the proportion equation
1,542,009.42 : 2,312,735.49 = 419,815.98 : x - Step 2: Convert to fraction form
1,542,009.42/2,312,735.49 = 419,815.98/x - Step 3: Cross multiply
1,542,009.42x = 2,312,735.49 × 419,815.98 - Step 4: Simplify right side
1,542,009.42x = 970,923,316,215.13 - Step 5: Solve for x
x = 970,923,316,215.13/1,542,009.42 - Step 6: Final answer
x = 629,648.11
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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.