Finding the Fourth Proportional to 2,526,965.22, 3,487,212.36 and 1,381,045.26
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Solution
The fourth proportional to 2,526,965.22, 3,487,212.36 and 1,381,045.26 is: 1,905,842.65
Step by Step Solution
- Step 1: Write the proportion equation
2,526,965.22 : 3,487,212.36 = 1,381,045.26 : x - Step 2: Convert to fraction form
2,526,965.22/3,487,212.36 = 1,381,045.26/x - Step 3: Cross multiply
2,526,965.22x = 3,487,212.36 × 1,381,045.26 - Step 4: Simplify right side
2,526,965.22x = 4,815,998,100,391.41 - Step 5: Solve for x
x = 4,815,998,100,391.41/2,526,965.22 - Step 6: Final answer
x = 1,905,842.65
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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.