Finding the Fourth Proportional to 4,840,634.88, 7,261,741.12 and 1,429,266.32
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Solution
The fourth proportional to 4,840,634.88, 7,261,741.12 and 1,429,266.32 is: 2,144,132.38
Step by Step Solution
- Step 1: Write the proportion equation
4,840,634.88 : 7,261,741.12 = 1,429,266.32 : x - Step 2: Convert to fraction form
4,840,634.88/7,261,741.12 = 1,429,266.32/x - Step 3: Cross multiply
4,840,634.88x = 7,261,741.12 × 1,429,266.32 - Step 4: Simplify right side
4,840,634.88x = 10,378,962,007,375.08 - Step 5: Solve for x
x = 10,378,962,007,375.08/4,840,634.88 - Step 6: Final answer
x = 2,144,132.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.