Finding the Fourth Proportional to 5,219,187.36, 7,202,491.56 and 3,045,225.12
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Solution
The fourth proportional to 5,219,187.36, 7,202,491.56 and 3,045,225.12 is: 4,202,418.25
Step by Step Solution
- Step 1: Write the proportion equation
5,219,187.36 : 7,202,491.56 = 3,045,225.12 : x - Step 2: Convert to fraction form
5,219,187.36/7,202,491.56 = 3,045,225.12/x - Step 3: Cross multiply
5,219,187.36x = 7,202,491.56 × 3,045,225.12 - Step 4: Simplify right side
5,219,187.36x = 21,933,208,225,099.99 - Step 5: Solve for x
x = 21,933,208,225,099.99/5,219,187.36 - Step 6: Final answer
x = 4,202,418.25
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1.5x scale
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.