Finding the Fourth Proportional to 3,622,352.40, 5,437,027.80 and 2,205,176.40
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Solution
The fourth proportional to 3,622,352.40, 5,437,027.80 and 2,205,176.40 is: 3,309,894.81
Step by Step Solution
- Step 1: Write the proportion equation
3,622,352.40 : 5,437,027.80 = 2,205,176.40 : x - Step 2: Convert to fraction form
3,622,352.40/5,437,027.80 = 2,205,176.40/x - Step 3: Cross multiply
3,622,352.40x = 5,437,027.80 × 2,205,176.40 - Step 4: Simplify right side
3,622,352.40x = 11,989,605,390,703.92 - Step 5: Solve for x
x = 11,989,605,390,703.92/3,622,352.40 - Step 6: Final answer
x = 3,309,894.81
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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.