Finding the Fourth Proportional to 7,045,546.94, 9,722,690.09 and 4,145,124.53
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Solution
The fourth proportional to 7,045,546.94, 9,722,690.09 and 4,145,124.53 is: 5,720,174.96
Step by Step Solution
- Step 1: Write the proportion equation
7,045,546.94 : 9,722,690.09 = 4,145,124.53 : x - Step 2: Convert to fraction form
7,045,546.94/9,722,690.09 = 4,145,124.53/x - Step 3: Cross multiply
7,045,546.94x = 9,722,690.09 × 4,145,124.53 - Step 4: Simplify right side
7,045,546.94x = 40,301,761,142,423.93 - Step 5: Solve for x
x = 40,301,761,142,423.93/7,045,546.94 - Step 6: Final answer
x = 5,720,174.96
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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.