Finding the Fourth Proportional to 2,135,618.14, 2,947,113.63 and 1,168,729.04
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Solution
The fourth proportional to 2,135,618.14, 2,947,113.63 and 1,168,729.04 is: 1,612,824.51
Step by Step Solution
- Step 1: Write the proportion equation
2,135,618.14 : 2,947,113.63 = 1,168,729.04 : x - Step 2: Convert to fraction form
2,135,618.14/2,947,113.63 = 1,168,729.04/x - Step 3: Cross multiply
2,135,618.14x = 2,947,113.63 × 1,168,729.04 - Step 4: Simplify right side
2,135,618.14x = 3,444,377,268,825.25 - Step 5: Solve for x
x = 3,444,377,268,825.25/2,135,618.14 - Step 6: Final answer
x = 1,612,824.51
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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.