Finding the Fourth Proportional to 1,527,375.12, 2,106,369.16 and 1,038,077.52
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Solution
The fourth proportional to 1,527,375.12, 2,106,369.16 and 1,038,077.52 is: 1,431,589.69
Step by Step Solution
- Step 1: Write the proportion equation
1,527,375.12 : 2,106,369.16 = 1,038,077.52 : x - Step 2: Convert to fraction form
1,527,375.12/2,106,369.16 = 1,038,077.52/x - Step 3: Cross multiply
1,527,375.12x = 2,106,369.16 × 1,038,077.52 - Step 4: Simplify right side
1,527,375.12x = 2,186,574,473,817.28 - Step 5: Solve for x
x = 2,186,574,473,817.28/1,527,375.12 - Step 6: Final answer
x = 1,431,589.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.