Finding the Fourth Proportional to 1,795,193.21, 2,478,996.50 and 1,336,140.09
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Solution
The fourth proportional to 1,795,193.21, 2,478,996.50 and 1,336,140.09 is: 1,845,086.41
Step by Step Solution
- Step 1: Write the proportion equation
1,795,193.21 : 2,478,996.50 = 1,336,140.09 : x - Step 2: Convert to fraction form
1,795,193.21/2,478,996.50 = 1,336,140.09/x - Step 3: Cross multiply
1,795,193.21x = 2,478,996.50 × 1,336,140.09 - Step 4: Simplify right side
1,795,193.21x = 3,312,286,599,938.99 - Step 5: Solve for x
x = 3,312,286,599,938.99/1,795,193.21 - Step 6: Final answer
x = 1,845,086.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.