Finding the Fourth Proportional to 3,665,988.54, 5,497,670.61 and 1,269,189.63
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Solution
The fourth proportional to 3,665,988.54, 5,497,670.61 and 1,269,189.63 is: 1,903,330.15
Step by Step Solution
- Step 1: Write the proportion equation
3,665,988.54 : 5,497,670.61 = 1,269,189.63 : x - Step 2: Convert to fraction form
3,665,988.54/5,497,670.61 = 1,269,189.63/x - Step 3: Cross multiply
3,665,988.54x = 5,497,670.61 × 1,269,189.63 - Step 4: Simplify right side
3,665,988.54x = 6,977,586,527,367.78 - Step 5: Solve for x
x = 6,977,586,527,367.78/3,665,988.54 - Step 6: Final answer
x = 1,903,330.15
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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.