Finding the Fourth Proportional to 2,526,364.12, 3,486,378.90 and 1,438,635.88
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Solution
The fourth proportional to 2,526,364.12, 3,486,378.90 and 1,438,635.88 is: 1,985,315.47
Step by Step Solution
- Step 1: Write the proportion equation
2,526,364.12 : 3,486,378.90 = 1,438,635.88 : x - Step 2: Convert to fraction form
2,526,364.12/3,486,378.90 = 1,438,635.88/x - Step 3: Cross multiply
2,526,364.12x = 3,486,378.90 × 1,438,635.88 - Step 4: Simplify right side
2,526,364.12x = 5,015,629,776,814.93 - Step 5: Solve for x
x = 5,015,629,776,814.93/2,526,364.12 - Step 6: Final answer
x = 1,985,315.47
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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.