Finding the Fourth Proportional to 2,687,412.63, 3,708,629.48 and 1,480,188.63
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Solution
The fourth proportional to 2,687,412.63, 3,708,629.48 and 1,480,188.63 is: 2,042,660.34
Step by Step Solution
- Step 1: Write the proportion equation
2,687,412.63 : 3,708,629.48 = 1,480,188.63 : x - Step 2: Convert to fraction form
2,687,412.63/3,708,629.48 = 1,480,188.63/x - Step 3: Cross multiply
2,687,412.63x = 3,708,629.48 × 1,480,188.63 - Step 4: Simplify right side
2,687,412.63x = 5,489,471,189,178.81 - Step 5: Solve for x
x = 5,489,471,189,178.81/2,687,412.63 - Step 6: Final answer
x = 2,042,660.34
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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.