Finding the Fourth Proportional to 3,246,478.16, 4,480,271.73 and 1,796,149.97
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Solution
The fourth proportional to 3,246,478.16, 4,480,271.73 and 1,796,149.97 is: 2,478,759.92
Step by Step Solution
- Step 1: Write the proportion equation
3,246,478.16 : 4,480,271.73 = 1,796,149.97 : x - Step 2: Convert to fraction form
3,246,478.16/4,480,271.73 = 1,796,149.97/x - Step 3: Cross multiply
3,246,478.16x = 4,480,271.73 × 1,796,149.97 - Step 4: Simplify right side
3,246,478.16x = 8,047,239,927,831.01 - Step 5: Solve for x
x = 8,047,239,927,831.01/3,246,478.16 - Step 6: Final answer
x = 2,478,759.92
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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.