Finding the Fourth Proportional to 5,346,039.90, 8,019,059.85 and 5,239,751.70
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Solution
The fourth proportional to 5,346,039.90, 8,019,059.85 and 5,239,751.70 is: 7,859,627.55
Step by Step Solution
- Step 1: Write the proportion equation
5,346,039.90 : 8,019,059.85 = 5,239,751.70 : x - Step 2: Convert to fraction form
5,346,039.90/8,019,059.85 = 5,239,751.70/x - Step 3: Cross multiply
5,346,039.90x = 8,019,059.85 × 5,239,751.70 - Step 4: Simplify right side
5,346,039.90x = 42,017,882,481,439.24 - Step 5: Solve for x
x = 42,017,882,481,439.24/5,346,039.90 - Step 6: Final answer
x = 7,859,627.55
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1.5x scale
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.