Finding the Fourth Proportional to 4,457,352.88, 6,151,171.56 and 2,420,162.44
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Solution
The fourth proportional to 4,457,352.88, 6,151,171.56 and 2,420,162.44 is: 3,339,837.52
Step by Step Solution
- Step 1: Write the proportion equation
4,457,352.88 : 6,151,171.56 = 2,420,162.44 : x - Step 2: Convert to fraction form
4,457,352.88/6,151,171.56 = 2,420,162.44/x - Step 3: Cross multiply
4,457,352.88x = 6,151,171.56 × 2,420,162.44 - Step 4: Simplify right side
4,457,352.88x = 14,886,834,371,508.21 - Step 5: Solve for x
x = 14,886,834,371,508.21/4,457,352.88 - Step 6: Final answer
x = 3,339,837.52
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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.