Finding the Fourth Proportional to 4,212,554.45, 5,813,307.63 and 2,278,810.26
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Solution
The fourth proportional to 4,212,554.45, 5,813,307.63 and 2,278,810.26 is: 3,144,748.69
Step by Step Solution
- Step 1: Write the proportion equation
4,212,554.45 : 5,813,307.63 = 2,278,810.26 : x - Step 2: Convert to fraction form
4,212,554.45/5,813,307.63 = 2,278,810.26/x - Step 3: Cross multiply
4,212,554.45x = 5,813,307.63 × 2,278,810.26 - Step 4: Simplify right side
4,212,554.45x = 13,247,425,071,780.28 - Step 5: Solve for x
x = 13,247,425,071,780.28/4,212,554.45 - Step 6: Final answer
x = 3,144,748.69
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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.