Finding the Fourth Proportional to 5,560,509.30, 8,340,763.95 and 3,321,021.30
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Solution
The fourth proportional to 5,560,509.30, 8,340,763.95 and 3,321,021.30 is: 4,981,531.95
Step by Step Solution
- Step 1: Write the proportion equation
5,560,509.30 : 8,340,763.95 = 3,321,021.30 : x - Step 2: Convert to fraction form
5,560,509.30/8,340,763.95 = 3,321,021.30/x - Step 3: Cross multiply
5,560,509.30x = 8,340,763.95 × 3,321,021.30 - Step 4: Simplify right side
5,560,509.30x = 27,699,854,736,222.13 - Step 5: Solve for x
x = 27,699,854,736,222.13/5,560,509.30 - Step 6: Final answer
x = 4,981,531.95
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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.