Finding the Fourth Proportional to 7,266,750.40, 10,898,157.30 and 2,149,170.40
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Solution
The fourth proportional to 7,266,750.40, 10,898,157.30 and 2,149,170.40 is: 3,223,173.47
Step by Step Solution
- Step 1: Write the proportion equation
7,266,750.40 : 10,898,157.30 = 2,149,170.40 : x - Step 2: Convert to fraction form
7,266,750.40/10,898,157.30 = 2,149,170.40/x - Step 3: Cross multiply
7,266,750.40x = 10,898,157.30 × 2,149,170.40 - Step 4: Simplify right side
7,266,750.40x = 23,421,997,083,703.92 - Step 5: Solve for x
x = 23,421,997,083,703.92/7,266,750.40 - Step 6: Final answer
x = 3,223,173.47
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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.