Finding the Fourth Proportional to 1,915,180.08, 2,642,947.44 and 1,055,754.66
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Solution
The fourth proportional to 1,915,180.08, 2,642,947.44 and 1,055,754.66 is: 1,456,940.84
Step by Step Solution
- Step 1: Write the proportion equation
1,915,180.08 : 2,642,947.44 = 1,055,754.66 : x - Step 2: Convert to fraction form
1,915,180.08/2,642,947.44 = 1,055,754.66/x - Step 3: Cross multiply
1,915,180.08x = 2,642,947.44 × 1,055,754.66 - Step 4: Simplify right side
1,915,180.08x = 2,790,304,075,915.07 - Step 5: Solve for x
x = 2,790,304,075,915.07/1,915,180.08 - Step 6: Final answer
x = 1,456,940.84
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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.