Finding the Fourth Proportional to 2,270,343.54, 3,134,355.57 and 1,507,440.18
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Solution
The fourth proportional to 2,270,343.54, 3,134,355.57 and 1,507,440.18 is: 2,081,118.32
Step by Step Solution
- Step 1: Write the proportion equation
2,270,343.54 : 3,134,355.57 = 1,507,440.18 : x - Step 2: Convert to fraction form
2,270,343.54/3,134,355.57 = 1,507,440.18/x - Step 3: Cross multiply
2,270,343.54x = 3,134,355.57 × 1,507,440.18 - Step 4: Simplify right side
2,270,343.54x = 4,724,853,524,624.80 - Step 5: Solve for x
x = 4,724,853,524,624.80/2,270,343.54 - Step 6: Final answer
x = 2,081,118.32
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1.5x scale
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.