Finding the Fourth Proportional to 3,243,781.21, 4,476,237.33 and 1,793,391.97
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Solution
The fourth proportional to 3,243,781.21, 4,476,237.33 and 1,793,391.97 is: 2,474,780.99
Step by Step Solution
- Step 1: Write the proportion equation
3,243,781.21 : 4,476,237.33 = 1,793,391.97 : x - Step 2: Convert to fraction form
3,243,781.21/4,476,237.33 = 1,793,391.97/x - Step 3: Cross multiply
3,243,781.21x = 4,476,237.33 × 1,793,391.97 - Step 4: Simplify right side
3,243,781.21x = 8,027,648,083,436.24 - Step 5: Solve for x
x = 8,027,648,083,436.24/3,243,781.21 - Step 6: Final answer
x = 2,474,780.99
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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.