Finding the Fourth Proportional to 5,551,768.70, 8,315,211.45 and 4,556,440.70
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Solution
The fourth proportional to 5,551,768.70, 8,315,211.45 and 4,556,440.70 is: 6,824,450.00
Step by Step Solution
- Step 1: Write the proportion equation
5,551,768.70 : 8,315,211.45 = 4,556,440.70 : x - Step 2: Convert to fraction form
5,551,768.70/8,315,211.45 = 4,556,440.70/x - Step 3: Cross multiply
5,551,768.70x = 8,315,211.45 × 4,556,440.70 - Step 4: Simplify right side
5,551,768.70x = 37,887,767,879,886.02 - Step 5: Solve for x
x = 37,887,767,879,886.02/5,551,768.70 - Step 6: Final answer
x = 6,824,450.00
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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.