Finding the Fourth Proportional to 2,589,342.74, 3,573,713.88 and 1,557,893.06
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Solution
The fourth proportional to 2,589,342.74, 3,573,713.88 and 1,557,893.06 is: 2,150,145.66
Step by Step Solution
- Step 1: Write the proportion equation
2,589,342.74 : 3,573,713.88 = 1,557,893.06 : x - Step 2: Convert to fraction form
2,589,342.74/3,573,713.88 = 1,557,893.06/x - Step 3: Cross multiply
2,589,342.74x = 3,573,713.88 × 1,557,893.06 - Step 4: Simplify right side
2,589,342.74x = 5,567,464,052,077.67 - Step 5: Solve for x
x = 5,567,464,052,077.67/2,589,342.74 - Step 6: Final answer
x = 2,150,145.66
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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.