Finding the Fourth Proportional to 2,177,761.88, 3,267,391.74 and 1,279,954.76
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Solution
The fourth proportional to 2,177,761.88, 3,267,391.74 and 1,279,954.76 is: 1,920,372.31
Step by Step Solution
- Step 1: Write the proportion equation
2,177,761.88 : 3,267,391.74 = 1,279,954.76 : x - Step 2: Convert to fraction form
2,177,761.88/3,267,391.74 = 1,279,954.76/x - Step 3: Cross multiply
2,177,761.88x = 3,267,391.74 × 1,279,954.76 - Step 4: Simplify right side
2,177,761.88x = 4,182,113,610,397.68 - Step 5: Solve for x
x = 4,182,113,610,397.68/2,177,761.88 - Step 6: Final answer
x = 1,920,372.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.