Finding the Fourth Proportional to 3,193,617.24, 4,407,036.66 and 1,816,831.08
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Solution
The fourth proportional to 3,193,617.24, 4,407,036.66 and 1,816,831.08 is: 2,507,138.64
Step by Step Solution
- Step 1: Write the proportion equation
3,193,617.24 : 4,407,036.66 = 1,816,831.08 : x - Step 2: Convert to fraction form
3,193,617.24/4,407,036.66 = 1,816,831.08/x - Step 3: Cross multiply
3,193,617.24x = 4,407,036.66 × 1,816,831.08 - Step 4: Simplify right side
3,193,617.24x = 8,006,841,174,587.39 - Step 5: Solve for x
x = 8,006,841,174,587.39/3,193,617.24 - Step 6: Final answer
x = 2,507,138.64
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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.