Finding the Fourth Proportional to 5,649,606.38, 7,789,138.98 and 3,659,200.70
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Solution
The fourth proportional to 5,649,606.38, 7,789,138.98 and 3,659,200.70 is: 5,044,957.28
Step by Step Solution
- Step 1: Write the proportion equation
5,649,606.38 : 7,789,138.98 = 3,659,200.70 : x - Step 2: Convert to fraction form
5,649,606.38/7,789,138.98 = 3,659,200.70/x - Step 3: Cross multiply
5,649,606.38x = 7,789,138.98 × 3,659,200.70 - Step 4: Simplify right side
5,649,606.38x = 28,502,022,808,013.29 - Step 5: Solve for x
x = 28,502,022,808,013.29/5,649,606.38 - Step 6: Final answer
x = 5,044,957.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.