Finding the Fourth Proportional to 4,931,242.73, 7,397,558.91 and 1,519,805.21
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Solution
The fourth proportional to 4,931,242.73, 7,397,558.91 and 1,519,805.21 is: 2,279,921.95
Step by Step Solution
- Step 1: Write the proportion equation
4,931,242.73 : 7,397,558.91 = 1,519,805.21 : x - Step 2: Convert to fraction form
4,931,242.73/7,397,558.91 = 1,519,805.21/x - Step 3: Cross multiply
4,931,242.73x = 7,397,558.91 × 1,519,805.21 - Step 4: Simplify right side
4,931,242.73x = 11,242,848,535,712.13 - Step 5: Solve for x
x = 11,242,848,535,712.13/4,931,242.73 - Step 6: Final answer
x = 2,279,921.95
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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.