Finding the Fourth Proportional to 2,127,116.13, 3,190,674.21 and 631,208.13
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Solution
The fourth proportional to 2,127,116.13, 3,190,674.21 and 631,208.13 is: 946,812.20
Step by Step Solution
- Step 1: Write the proportion equation
2,127,116.13 : 3,190,674.21 = 631,208.13 : x - Step 2: Convert to fraction form
2,127,116.13/3,190,674.21 = 631,208.13/x - Step 3: Cross multiply
2,127,116.13x = 3,190,674.21 × 631,208.13 - Step 4: Simplify right side
2,127,116.13x = 2,013,979,501,533.33 - Step 5: Solve for x
x = 2,013,979,501,533.33/2,127,116.13 - Step 6: Final answer
x = 946,812.20
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Double scale
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Similar ratio
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1.5x scale
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.