Finding the Fourth Proportional to 5,115,907.44, 7,059,969.18 and 2,824,062.66
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Solution
The fourth proportional to 5,115,907.44, 7,059,969.18 and 2,824,062.66 is: 3,897,215.81
Step by Step Solution
- Step 1: Write the proportion equation
5,115,907.44 : 7,059,969.18 = 2,824,062.66 : x - Step 2: Convert to fraction form
5,115,907.44/7,059,969.18 = 2,824,062.66/x - Step 3: Cross multiply
5,115,907.44x = 7,059,969.18 × 2,824,062.66 - Step 4: Simplify right side
5,115,907.44x = 19,937,795,341,988.82 - Step 5: Solve for x
x = 19,937,795,341,988.82/5,115,907.44 - Step 6: Final answer
x = 3,897,215.81
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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.