Finding the Fourth Proportional to 3,853,397.58, 5,780,907.99 and 1,457,189.16
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Solution
The fourth proportional to 3,853,397.58, 5,780,907.99 and 1,457,189.16 is: 2,186,090.66
Step by Step Solution
- Step 1: Write the proportion equation
3,853,397.58 : 5,780,907.99 = 1,457,189.16 : x - Step 2: Convert to fraction form
3,853,397.58/5,780,907.99 = 1,457,189.16/x - Step 3: Cross multiply
3,853,397.58x = 5,780,907.99 × 1,457,189.16 - Step 4: Simplify right side
3,853,397.58x = 8,423,876,457,985.39 - Step 5: Solve for x
x = 8,423,876,457,985.39/3,853,397.58 - Step 6: Final answer
x = 2,186,090.66
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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.