Finding the Fourth Proportional to 5,743,423.87, 7,926,090.98 and 3,165,270.68
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Solution
The fourth proportional to 5,743,423.87, 7,926,090.98 and 3,165,270.68 is: 4,368,165.05
Step by Step Solution
- Step 1: Write the proportion equation
5,743,423.87 : 7,926,090.98 = 3,165,270.68 : x - Step 2: Convert to fraction form
5,743,423.87/7,926,090.98 = 3,165,270.68/x - Step 3: Cross multiply
5,743,423.87x = 7,926,090.98 × 3,165,270.68 - Step 4: Simplify right side
5,743,423.87x = 25,088,223,389,995.34 - Step 5: Solve for x
x = 25,088,223,389,995.34/5,743,423.87 - Step 6: Final answer
x = 4,368,165.05
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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.