Finding the Fourth Proportional to 3,512,009.19, 5,267,893.49 and 1,488,950.36
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Solution
The fourth proportional to 3,512,009.19, 5,267,893.49 and 1,488,950.36 is: 2,233,374.53
Step by Step Solution
- Step 1: Write the proportion equation
3,512,009.19 : 5,267,893.49 = 1,488,950.36 : x - Step 2: Convert to fraction form
3,512,009.19/5,267,893.49 = 1,488,950.36/x - Step 3: Cross multiply
3,512,009.19x = 5,267,893.49 × 1,488,950.36 - Step 4: Simplify right side
3,512,009.19x = 7,843,631,874,592.94 - Step 5: Solve for x
x = 7,843,631,874,592.94/3,512,009.19 - Step 6: Final answer
x = 2,233,374.53
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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.