Finding the Fourth Proportional to 7,084,980.48, 9,777,267.36 and 3,865,716.48
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Solution
The fourth proportional to 7,084,980.48, 9,777,267.36 and 3,865,716.48 is: 5,334,685.63
Step by Step Solution
- Step 1: Write the proportion equation
7,084,980.48 : 9,777,267.36 = 3,865,716.48 : x - Step 2: Convert to fraction form
7,084,980.48/9,777,267.36 = 3,865,716.48/x - Step 3: Cross multiply
7,084,980.48x = 9,777,267.36 × 3,865,716.48 - Step 4: Simplify right side
7,084,980.48x = 37,796,143,562,918.09 - Step 5: Solve for x
x = 37,796,143,562,918.09/7,084,980.48 - Step 6: Final answer
x = 5,334,685.63
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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.