Finding the Fourth Proportional to 5,169,739.77, 7,751,018.61 and 2,289,537.09
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Solution
The fourth proportional to 5,169,739.77, 7,751,018.61 and 2,289,537.09 is: 3,432,715.26
Step by Step Solution
- Step 1: Write the proportion equation
5,169,739.77 : 7,751,018.61 = 2,289,537.09 : x - Step 2: Convert to fraction form
5,169,739.77/7,751,018.61 = 2,289,537.09/x - Step 3: Cross multiply
5,169,739.77x = 7,751,018.61 × 2,289,537.09 - Step 4: Simplify right side
5,169,739.77x = 17,746,244,592,875.25 - Step 5: Solve for x
x = 17,746,244,592,875.25/5,169,739.77 - Step 6: Final answer
x = 3,432,715.26
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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.