Finding the Fourth Proportional to 1,507,832.24, 2,080,781.64 and 828,768.56
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Solution
The fourth proportional to 1,507,832.24, 2,080,781.64 and 828,768.56 is: 1,143,685.85
Step by Step Solution
- Step 1: Write the proportion equation
1,507,832.24 : 2,080,781.64 = 828,768.56 : x - Step 2: Convert to fraction form
1,507,832.24/2,080,781.64 = 828,768.56/x - Step 3: Cross multiply
1,507,832.24x = 2,080,781.64 × 828,768.56 - Step 4: Simplify right side
1,507,832.24x = 1,724,486,403,457.24 - Step 5: Solve for x
x = 1,724,486,403,457.24/1,507,832.24 - Step 6: Final answer
x = 1,143,685.85
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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.