Finding the Fourth Proportional to 3,989,927.11, 5,984,329.56 and 1,294,276.02
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Solution
The fourth proportional to 3,989,927.11, 5,984,329.56 and 1,294,276.02 is: 1,941,232.01
Step by Step Solution
- Step 1: Write the proportion equation
3,989,927.11 : 5,984,329.56 = 1,294,276.02 : x - Step 2: Convert to fraction form
3,989,927.11/5,984,329.56 = 1,294,276.02/x - Step 3: Cross multiply
3,989,927.11x = 5,984,329.56 × 1,294,276.02 - Step 4: Simplify right side
3,989,927.11x = 7,745,374,225,270.68 - Step 5: Solve for x
x = 7,745,374,225,270.68/3,989,927.11 - Step 6: Final answer
x = 1,941,232.01
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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.