Finding the Fourth Proportional to 1,624,208.36, 2,239,918.08 and 1,394,687.48
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Solution
The fourth proportional to 1,624,208.36, 2,239,918.08 and 1,394,687.48 is: 1,923,389.74
Step by Step Solution
- Step 1: Write the proportion equation
1,624,208.36 : 2,239,918.08 = 1,394,687.48 : x - Step 2: Convert to fraction form
1,624,208.36/2,239,918.08 = 1,394,687.48/x - Step 3: Cross multiply
1,624,208.36x = 2,239,918.08 × 1,394,687.48 - Step 4: Simplify right side
1,624,208.36x = 3,123,985,702,401.64 - Step 5: Solve for x
x = 3,123,985,702,401.64/1,624,208.36 - Step 6: Final answer
x = 1,923,389.74
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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.