Finding the Fourth Proportional to 7,090,390.44, 10,638,266.10 and 2,775,524.41
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Solution
The fourth proportional to 7,090,390.44, 10,638,266.10 and 2,775,524.41 is: 4,164,335.88
Step by Step Solution
- Step 1: Write the proportion equation
7,090,390.44 : 10,638,266.10 = 2,775,524.41 : x - Step 2: Convert to fraction form
7,090,390.44/10,638,266.10 = 2,775,524.41/x - Step 3: Cross multiply
7,090,390.44x = 10,638,266.10 × 2,775,524.41 - Step 4: Simplify right side
7,090,390.44x = 29,526,767,299,456.57 - Step 5: Solve for x
x = 29,526,767,299,456.57/7,090,390.44 - Step 6: Final answer
x = 4,164,335.88
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1.5x scale
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.