Finding the Fourth Proportional to 5,398,720.90, 8,091,860.55 and 2,201,748.10
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Solution
The fourth proportional to 5,398,720.90, 8,091,860.55 and 2,201,748.10 is: 3,300,085.14
Step by Step Solution
- Step 1: Write the proportion equation
5,398,720.90 : 8,091,860.55 = 2,201,748.10 : x - Step 2: Convert to fraction form
5,398,720.90/8,091,860.55 = 2,201,748.10/x - Step 3: Cross multiply
5,398,720.90x = 8,091,860.55 × 2,201,748.10 - Step 4: Simplify right side
5,398,720.90x = 17,816,238,591,427.46 - Step 5: Solve for x
x = 17,816,238,591,427.46/5,398,720.90 - Step 6: Final answer
x = 3,300,085.14
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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.