Finding the Fourth Proportional to 1,405,469.88, 2,110,304.34 and 1,384,474.68
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Solution
The fourth proportional to 1,405,469.88, 2,110,304.34 and 1,384,474.68 is: 2,078,780.18
Step by Step Solution
- Step 1: Write the proportion equation
1,405,469.88 : 2,110,304.34 = 1,384,474.68 : x - Step 2: Convert to fraction form
1,405,469.88/2,110,304.34 = 1,384,474.68/x - Step 3: Cross multiply
1,405,469.88x = 2,110,304.34 × 1,384,474.68 - Step 4: Simplify right side
1,405,469.88x = 2,921,662,925,824.11 - Step 5: Solve for x
x = 2,921,662,925,824.11/1,405,469.88 - Step 6: Final answer
x = 2,078,780.18
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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.