Finding the Fourth Proportional to 1,984,389.44, 2,975,621.27 and 1,163,952.18
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Solution
The fourth proportional to 1,984,389.44, 2,975,621.27 and 1,163,952.18 is: 1,745,363.48
Step by Step Solution
- Step 1: Write the proportion equation
1,984,389.44 : 2,975,621.27 = 1,163,952.18 : x - Step 2: Convert to fraction form
1,984,389.44/2,975,621.27 = 1,163,952.18/x - Step 3: Cross multiply
1,984,389.44x = 2,975,621.27 × 1,163,952.18 - Step 4: Simplify right side
1,984,389.44x = 3,463,480,858,251.11 - Step 5: Solve for x
x = 3,463,480,858,251.11/1,984,389.44 - Step 6: Final answer
x = 1,745,363.48
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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.