Finding the Fourth Proportional to 5,674,736.21, 8,516,643.57 and 2,980,650.17
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Solution
The fourth proportional to 5,674,736.21, 8,516,643.57 and 2,980,650.17 is: 4,473,359.49
Step by Step Solution
- Step 1: Write the proportion equation
5,674,736.21 : 8,516,643.57 = 2,980,650.17 : x - Step 2: Convert to fraction form
5,674,736.21/8,516,643.57 = 2,980,650.17/x - Step 3: Cross multiply
5,674,736.21x = 8,516,643.57 × 2,980,650.17 - Step 4: Simplify right side
5,674,736.21x = 25,385,135,104,749.91 - Step 5: Solve for x
x = 25,385,135,104,749.91/5,674,736.21 - Step 6: Final answer
x = 4,473,359.49
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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.