Finding the Fourth Proportional to 5,727,349.39, 7,903,273.91 and 3,372,174.56
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Solution
The fourth proportional to 5,727,349.39, 7,903,273.91 and 3,372,174.56 is: 4,653,325.19
Step by Step Solution
- Step 1: Write the proportion equation
5,727,349.39 : 7,903,273.91 = 3,372,174.56 : x - Step 2: Convert to fraction form
5,727,349.39/7,903,273.91 = 3,372,174.56/x - Step 3: Cross multiply
5,727,349.39x = 7,903,273.91 × 3,372,174.56 - Step 4: Simplify right side
5,727,349.39x = 26,651,219,210,167.32 - Step 5: Solve for x
x = 26,651,219,210,167.32/5,727,349.39 - Step 6: Final answer
x = 4,653,325.19
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1.5x scale
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.