Finding the Fourth Proportional to 2,808,193.07, 4,211,486.09 and 915,099.95
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Solution
The fourth proportional to 2,808,193.07, 4,211,486.09 and 915,099.95 is: 1,372,388.09
Step by Step Solution
- Step 1: Write the proportion equation
2,808,193.07 : 4,211,486.09 = 915,099.95 : x - Step 2: Convert to fraction form
2,808,193.07/4,211,486.09 = 915,099.95/x - Step 3: Cross multiply
2,808,193.07x = 4,211,486.09 × 915,099.95 - Step 4: Simplify right side
2,808,193.07x = 3,853,930,719,769.54 - Step 5: Solve for x
x = 3,853,930,719,769.54/2,808,193.07 - Step 6: Final answer
x = 1,372,388.09
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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.