Finding the Fourth Proportional to 1,330,889.44, 1,997,369.39 and 928,918.84
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Solution
The fourth proportional to 1,330,889.44, 1,997,369.39 and 928,918.84 is: 1,394,100.82
Step by Step Solution
- Step 1: Write the proportion equation
1,330,889.44 : 1,997,369.39 = 928,918.84 : x - Step 2: Convert to fraction form
1,330,889.44/1,997,369.39 = 928,918.84/x - Step 3: Cross multiply
1,330,889.44x = 1,997,369.39 × 928,918.84 - Step 4: Simplify right side
1,330,889.44x = 1,855,394,056,810.31 - Step 5: Solve for x
x = 1,855,394,056,810.31/1,330,889.44 - Step 6: Final answer
x = 1,394,100.82
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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.