Finding the Fourth Proportional to 5,039,432.36, 7,559,176.23 and 1,252,915.24
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Solution
The fourth proportional to 5,039,432.36, 7,559,176.23 and 1,252,915.24 is: 1,879,379.74
Step by Step Solution
- Step 1: Write the proportion equation
5,039,432.36 : 7,559,176.23 = 1,252,915.24 : x - Step 2: Convert to fraction form
5,039,432.36/7,559,176.23 = 1,252,915.24/x - Step 3: Cross multiply
5,039,432.36x = 7,559,176.23 × 1,252,915.24 - Step 4: Simplify right side
5,039,432.36x = 9,471,007,100,412.75 - Step 5: Solve for x
x = 9,471,007,100,412.75/5,039,432.36 - Step 6: Final answer
x = 1,879,379.74
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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.