Finding the Fourth Proportional to 5,461,487.49, 8,189,535.31 and 1,674,057.09
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Solution
The fourth proportional to 5,461,487.49, 8,189,535.31 and 1,674,057.09 is: 2,510,259.28
Step by Step Solution
- Step 1: Write the proportion equation
5,461,487.49 : 8,189,535.31 = 1,674,057.09 : x - Step 2: Convert to fraction form
5,461,487.49/8,189,535.31 = 1,674,057.09/x - Step 3: Cross multiply
5,461,487.49x = 8,189,535.31 × 1,674,057.09 - Step 4: Simplify right side
5,461,487.49x = 13,709,749,649,510.85 - Step 5: Solve for x
x = 13,709,749,649,510.85/5,461,487.49 - Step 6: Final answer
x = 2,510,259.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.