Finding the Fourth Proportional to 2,113,487.64, 2,916,933.12 and 1,350,049.68
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Solution
The fourth proportional to 2,113,487.64, 2,916,933.12 and 1,350,049.68 is: 1,863,273.08
Step by Step Solution
- Step 1: Write the proportion equation
2,113,487.64 : 2,916,933.12 = 1,350,049.68 : x - Step 2: Convert to fraction form
2,113,487.64/2,916,933.12 = 1,350,049.68/x - Step 3: Cross multiply
2,113,487.64x = 2,916,933.12 × 1,350,049.68 - Step 4: Simplify right side
2,113,487.64x = 3,938,004,625,237.40 - Step 5: Solve for x
x = 3,938,004,625,237.40/2,113,487.64 - Step 6: Final answer
x = 1,863,273.08
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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.