Finding the Fourth Proportional to 5,347,113.30, 8,021,836.35 and 1,560,287.70
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Solution
The fourth proportional to 5,347,113.30, 8,021,836.35 and 1,560,287.70 is: 2,340,771.91
Step by Step Solution
- Step 1: Write the proportion equation
5,347,113.30 : 8,021,836.35 = 1,560,287.70 : x - Step 2: Convert to fraction form
5,347,113.30/8,021,836.35 = 1,560,287.70/x - Step 3: Cross multiply
5,347,113.30x = 8,021,836.35 × 1,560,287.70 - Step 4: Simplify right side
5,347,113.30x = 12,516,372,588,317.89 - Step 5: Solve for x
x = 12,516,372,588,317.89/5,347,113.30 - Step 6: Final answer
x = 2,340,771.91
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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.