Finding the Fourth Proportional to 1,731,478.29, 2,389,394.21 and 967,538.13
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Solution
The fourth proportional to 1,731,478.29, 2,389,394.21 and 967,538.13 is: 1,335,177.01
Step by Step Solution
- Step 1: Write the proportion equation
1,731,478.29 : 2,389,394.21 = 967,538.13 : x - Step 2: Convert to fraction form
1,731,478.29/2,389,394.21 = 967,538.13/x - Step 3: Cross multiply
1,731,478.29x = 2,389,394.21 × 967,538.13 - Step 4: Simplify right side
1,731,478.29x = 2,311,830,000,938.54 - Step 5: Solve for x
x = 2,311,830,000,938.54/1,731,478.29 - Step 6: Final answer
x = 1,335,177.01
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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.