Finding the Fourth Proportional to 3,259,254.21, 4,497,683.05 and 1,789,163.74
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Solution
The fourth proportional to 3,259,254.21, 4,497,683.05 and 1,789,163.74 is: 2,468,997.79
Step by Step Solution
- Step 1: Write the proportion equation
3,259,254.21 : 4,497,683.05 = 1,789,163.74 : x - Step 2: Convert to fraction form
3,259,254.21/4,497,683.05 = 1,789,163.74/x - Step 3: Cross multiply
3,259,254.21x = 4,497,683.05 × 1,789,163.74 - Step 4: Simplify right side
3,259,254.21x = 8,047,091,434,931.16 - Step 5: Solve for x
x = 8,047,091,434,931.16/3,259,254.21 - Step 6: Final answer
x = 2,468,997.79
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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.