Finding the Fourth Proportional to 2,086,149.54, 2,878,648.26 and 1,168,251.06
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Solution
The fourth proportional to 2,086,149.54, 2,878,648.26 and 1,168,251.06 is: 1,612,053.12
Step by Step Solution
- Step 1: Write the proportion equation
2,086,149.54 : 2,878,648.26 = 1,168,251.06 : x - Step 2: Convert to fraction form
2,086,149.54/2,878,648.26 = 1,168,251.06/x - Step 3: Cross multiply
2,086,149.54x = 2,878,648.26 × 1,168,251.06 - Step 4: Simplify right side
2,086,149.54x = 3,362,983,881,112.16 - Step 5: Solve for x
x = 3,362,983,881,112.16/2,086,149.54 - Step 6: Final answer
x = 1,612,053.12
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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.