Finding the Fourth Proportional to 5,147,726.64, 7,104,199.32 and 2,972,361.48
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Solution
The fourth proportional to 5,147,726.64, 7,104,199.32 and 2,972,361.48 is: 4,102,053.17
Step by Step Solution
- Step 1: Write the proportion equation
5,147,726.64 : 7,104,199.32 = 2,972,361.48 : x - Step 2: Convert to fraction form
5,147,726.64/7,104,199.32 = 2,972,361.48/x - Step 3: Cross multiply
5,147,726.64x = 7,104,199.32 × 2,972,361.48 - Step 4: Simplify right side
5,147,726.64x = 21,116,248,405,010.20 - Step 5: Solve for x
x = 21,116,248,405,010.20/5,147,726.64 - Step 6: Final answer
x = 4,102,053.17
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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.